66 Mr. Montagu's Description of Marine Animals 



convex beneath, toothed : antenna? four, setaceous, the upper pair 

 longest, exceeding the length of the maxilla?: eyes scarcely pro- 

 duced, fixed, punctated: arms and legs without distinction ten, 

 subulate : tail small, fiat, cylindrie, with six joints, terminated 

 with bristles : a few scattered hairs on other parts of the tail and 

 legs : colour, when alive, brown. 



Length, a quarter of an inch. 



This singular insect has full as much the appearance of an 

 Oniscus as a Cancer ; but the formation of its tail, which is arti- 

 culated, and received into a proper channel beneath the body, 

 seems to demand a preference to the latter ; though perhaps, in 

 fact, it does not strictly belong to any of the Linnaean genera. 



Cancer Phasma, 



Tab. VI. Fig. 3. 

 Cancer linearis. Linn. Syst. p. 1056. Gmefin Syst. p. 299'-. Bast. 



Op. Subs. 1. p. 32. t. 4./. 11. Turton Linn. iii. p. 761. 

 Oniscus scolopendroides. Pall. Spic. Zool. 9- t. 4./. 15. 

 Cancer Atomos. Linn. Syst. p. 1056. Gmel. Syst. p. 2992. Brit. 



Zool. iv. 1. 12. f. 32. Turt. Linn. iii. p.l6l. 



With a slender body of six joints, independent of the head : on 

 the first joint are two spines, a third on the fore part of the second 

 joint, and a fourth on the head, all pointing forward : the rest of 

 the body smooth : antenna? four, the upper pair nearly as long as the 

 body; lower pair half that length, and the extreme joint of each 

 pectinated with bristles : eyes fixed, reticulated, usually of a red- 

 dish colour : close to the mouth are two very short palpi, or feel- 

 ers, with hooked claws ; behind these are two others much longer, 

 armed with single moveable fangs : on the first joint of the body 



are 



