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Chart of Bight of Royal Shoal. Depth of water less than 12 feet and more than 6 feet indicated by light shading; less than 6 feet, by darker shading. Oyster plants are indicated by X marks.
Chart of the region around Cunning Harbor. Depth of water less than 12 feet and more than 6 feet indicated by light shading; less than 6 feet, by darker shading. Oyster plants are indicated by X marks.
Chart of Pains Bay and Long Shoal region, including the planted beds of Pains Bay "A," "B," "C," and "D," and Long Shoal. Depth of water less than 12 feet and over 6 indicated by light shading; less than 6 feet by heavy shading. Oyster plants are indicated by X marks.
Chart of Wyesocking Bay and vicinity. Depth of water less than 12 feet and over 6 indicated by light shading; less than 6 feet by darker shading. Oyster plants are indicated by X marks
Chart of Harbor Island and Chain Shot Shoal at the Junction of Pamlico and Core Sounds, showing the location of planted beds. Water less than 6 feet in depth is indicated by light shading; over 6 feet, undhaded. Oysster plants are indicated by X marks.
Photograph taken from a model in the Museum of Natural History in New York. The different portions of the anatomy are indicated by the labels. The sympol A. A. and P. A. refer to the anterior and posterior adductor muscles, which hold the two valves of the shell together. The posterior part of the animal is represented by the siphon, which consists of two parts, an incurrent and an excurrent, through which the water enters and leaves the quahaug in the directions indicated by the arrows. In the mantle chamber the food is filtered from the water by the gills, which are here shown cut off near their base.
Showing the ceremonial behavior of the horned dace when a strange dace approaches the nest. The owner of the nest is seen in the pit P. Above this is the gravel ridge, G.R., and below it is the sand trail, S.T. The direction of the current is indicated by the arrow at the right. The course of the two fish upstream to the point X and the return of the owner to his nest are indicated by the broken lines with the arrowheads. The havey lines indicate the banks of the stream
Chart of Strait of Juan de Fuca, Washington Sound, Fraser River, and Contiguous Waters
Showing location of stations (indicated by letters) and regions (indicated by numbers) in sockeye salmon tagging experiments
October 10, 1911 Page four
Must notify committee
Don't want a receiver
Accident at race track
November 1, 1911 Page two
Registration still slow
Successful show indicated
Failed of naturalization
King Salmon: Variotions in the form of the myomeres are shown in this figure of the left side on Oncorhynchus tschawytscha. The superficial markings of the myomeres and of the myocommata are indicated. There is some little variation, but of no great significance, at the level where the superficialis and the profundus join. It was deemed to detract from the significance of this figure to indicate this separating line.... The cephalic myocommata are attached to the base of the skull--to the occipital, temporal and pterotic bones. They are not interrupted by the clavicle, which lies lightly embedded on the surface. The complexity of folding and the lingitudinal extent of the myomeres increases posteriorly. The most important variation is due to the division of the anterior fold into two slender cones in the caudal half of the body
Sample of concrete pile-jacket containing four borers (Pholadidea penita) in a space of 3 inches square. Two of the borers are visible, presence of the others being indicated by openings at lower left
Creosoted pile cut off too close above the water. Limnoria attacking top of pile and the corbel. High water point is indicated by the barnacle line
View of the left half of cistella (Argiope) neapolitiana, which has been cut in two by a median longitudinal incision, to show the disposition of the organs. Partly diagrammatic. The inorganic part of the shell only is shown. The tubular extensions of the mantle ad the organic outer layer are not indicated, and hence the pores appear open.
1. The ventral valve.
2. The dorsal valve.
e. The stalk.
4. The mouth.
5. Lip which overhangs the mouth and runs all round the tentacular arms.
7. Ovary in dorsal valve.
8. Liver diverticula.
9. Occlusor muscle; its double origin is snown.
10. Internal opening of left nephridium.
11. External opening of left nephridium.
12. Ventral adjustor. The line from 10 crosses the dorsal adjustor.
13. Divaricator muscle.
Ancient Seal of Boro9ugh of Colchester
This seal dates from about the year 1189. On the reverse under the Castle, the Fishery of the town is heraldically indicated in three panels or compartments. The obverse bears a representation of St. Helena, patron saint of Colchester, and reputed daughter of King Coel of Colchester ("Old King Cole"). The inscription is: "Quam Crux Insignit Helenam Colcestria Gignit" (Colchester is the birth-place of Helena whom the cross makes famous). On the reverse: "Colcestrensis sum Burgi Commune Sigillum" (I am the common seal of the Borough of Colcester).
Fig.1--Leftsecond periopod from anterior or upper side, partly dissected to show the relations of muscles and tendons in the principal segments; hinges (h) and nerves (n1 and n2) are indicated; and exterior and flexor muscles (ex, fl) are numbered to correspond to segments of origin. Fig.2--Shell of right toothed forceps in sectional view from above, the show tendons crossing distal joints. s h, lower sliding hinge, form inside; mb, interarticular membrane (dotted line marking position of former tendon pocket)
Oyster Park at Tanna. General view, showing bamboo collectors, arranged in parallel lines. The older collectors, which are seen to bear large oysters, have remained in position somewhat over two years; the newer ones, some of which are indicated by asterisks (*). about one year. The photograph was taken during a favorable spring tide
Scallop on the left, as indicated by the arrow, has been killed by the oyster drill, which has pierced the shell with a fine hole. A year-old oyster is attached to the scallop on the center, while a Crepidula (quarterdecker) has fastened on the scallop on the right
Local distribution of the gastropod mollusk Tritia trivittata. This species was recorded from 353 stations out of the total of 417 comprised within the limits of the map. It has thus the most general distribution of any species of animal dredged within these waters
The circle around the star, here and elsewhere among the mollusks, denotes the known occurrence of living specimens. Where the circle is wanting, either dead shells only were present or the point is not indicated in the records. The symbol has, however, been employed only in the case of shell-bearing animals
Right toothed forceps and cheliped of female lobster from lower side, showing periodic teeth, carpal ridge of lower lock hinge, represented as if seen through hinge-process (l.h.p.), breaking joint (x0 and interlock (s i and s 3) between first and third podomeres. This claw is locked when closed by means of the underlapping lock spine (lock sp) and underlapping tip of dactyl, indicated by arrow (Fig.1). Left cracker claw and cheliped of female from above, showing crushing turbecles, serial displaced teeth on margen of "hand" (up. ser. and l. ser.), carpal groove of upper lock hinge (u h groove), absorption area of fourth segment (Abs. a.), breaking plane (at x), reversed basal hinges, or inner ball (h ball), and outer cup (h socket); tendons (t.f. 1 and t.ex.I) of first joint, podobranchia (phr), gill separator (ep>) and proximal spur (ps) of clas (Fig.2). Base of great cheliped from below, disarticulated at secopnd joint to show interlocking mechanism of spines (s1 and s3) of first and third posomers. (Figs. 3 and 4)
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