. Natural history of the American Decapoda (Crustacea); Lobster fisheries. BuLiv. U. S. B. F., 1909. Platk XXXVII. spur. â frt^) Fig. 4. Fig. I.âRight toothed forceps and cheUped of female lobster from lower side, showing periodic teeth, carpal ridge of lower lock hinge, represented as if seen through hinge-process (/ h p), breaking joint (x), 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. 2.âLeft cracker claw and cheliped of fema
. Natural history of the American Decapoda (Crustacea); Lobster fisheries. BuLiv. U. S. B. F., 1909. Platk XXXVII. spur. â frt^) Fig. 4. Fig. I.âRight toothed forceps and cheUped of female lobster from lower side, showing periodic teeth, carpal ridge of lower lock hinge, represented as if seen through hinge-process (/ h p), breaking joint (x), 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. 2.âLeft cracker claw and cheliped of female from above, showing crushing tubercles, serial displaced teeth on margin of "hand" {up. ser and I. ser), carpal groove of upper lock hinge (w k groove), absorption area of fourth segment (Abs. a), breaking plane (at x), reversed basal hinges, or inner ball (A ball), and outer cup{/; socket); ten- dons { I and (. ex 1) of first joint, podobranchia ipbr), gill separator {e'p), and proximal spur {ps) of claw. Figs. 3 and 4.âBase of great chehped from below, disarticulated at second joint to show interlocking mechanism or spines {s^, and ^) of first and third Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Herrick, Francis Hobart, 1858-1940. Washington, Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashingtongovtprin
