28 Cumacea: 3. Bodotriidae, 3. Bodotria, 4. Cyclaspis 



and not reaching the end of it. Peraeopod 1, 2"^ joint about four-fifths as 

 long as the rest combined. Rami of uropods subequal, five-sixths in 9 , about 

 three-fourths in d, as long as the peduncle, the 1-jointed endopod with 

 9 or 10 spines on medial margin. A transverse dark stripe precedes the 2"*^ 

 (P* free) pedigerous segment. L. 9 2-1 mm, d 2-75 mm. 

 Gulf of Siam, depth 9—18 m. 



11. B. parva Calm. 1907 B. p., Caiman in: Tr. zool. Soc. London, u I81 p. 5 

 t. 1 f. 16—18 I 1912 B. parvus, T. Stebbing in: Ann. S. Afr. Mus., v. lOv p. 141. 



Pseudorostrum very short, blunt, antero-lateral tooth rounded. Carapace 

 having near the hinder end a depression on the dorsal edge bounded by a slight 

 crescentic transverse ridge, and also a pair of lateral carinae faintly marked, 

 not reaching the hind margin nor joining the transverse ridge. Free pedi- 

 gerous segments without carinae. Peraeopod 1. 2^^ joint a little shorter than 

 the other joints combined. Rami of uropods subequal, rather less than two- 

 thirds as long as the peduncle; endopod 1-jointed with small spine near 

 middle of the medial margin, which then becomes coarsely serrate, the apex 

 carrying 2 very unequal spines. L. 9 1-5 mm, d not known. 



Gulf of Siam, depth 9 m. 



B. ? audouinii (M.-E.) 1828 Cuma a., H. Milne-Edwards in : Ann. Sci. nat., 

 V. 13 p. 294 t. 13 B f. 1—7 | 1840 C. a., H. Milne-Edwards, Hist. nat. Crust., v.S p. 553 | 

 1840 C. a., H. Lucas in: Hist. An. artic, p. 268 | 1843 C. a., Goodsir in: Edinb. new phil. 

 J., y. 34 p. 124 t. 2 f. 14— 16; t. 4 f. 12 | 1899 C. scorpioides (pro: B. arenosa), G. 0. 

 Sars, Crust. Norway, v.'d p. 10, 11. 



Described as having 2 eyes, short 2iid antennae, 5 pairs of natatory feet, colour 

 yellowish white, length about 7 mm; figures show carapace without lateral ridges, 

 pleon without pleopods, length 125 mm. 



B. coneava D. Roberts. 1868 B.c, D.Robertson in: P. Nat. Hist. Soc. Glasgow, 

 u 1 1 p. 69 (descr. nulla). 



B. ? sp. Calm. 1912 B. ? sp., Caiman in: P. U. S. Mus., w. 41 p. 609. 



9. Carapace and pedigerous segments with lateral ridge. First peraeopods 

 with fifth joint expanded, about one and one half times as broad as the fourth. 



Honshu Island (Japan), surface. 



4. Gen. Cyclaspis G. 0. Sars 



1865 Cyclapis (err. pro: Cyclaspis) (Sp. un.: Cyclaspis longicaudata), G. 0. Sars 

 in: Forh. Selsk. Christian., 1864 p. 206, 207 | 1878 Cyclaspis (part.), G. 0. Sars in: 

 Arch. Naturv. Kristian., v. 3 p. 487 | 1887 C, G. 0. Sars in: Rep. Voy. Challenger, 

 V. 19 pars 55 p. 11 | 1893 C. (part.), T. Stebbing in: Int. sci. Ser., v. 74 p. 302, 303 | 1895 

 Cyclapsis (err. pro: Cyclaspis), H. J. Hansen in: Ergeb. Plankton-Bxp., v. 2 G. c. p. 51 | 

 1899 Cyclaspis, G. O. Sars, Crust. Norway, v.3 p. 15 | 1904 C, Caiman in: Herdman, 

 Rep. Ceylon Pearl Fish., v.2 p. 167 | 1905 C, Caiman in: Siboga-Exp., pars 36 p. 5 | 

 1907 C, Caiman in: Tr. zool. Soc. London, u 18i p. 6 | 1908 C, Zimmer in: Ergeb. 

 Tiefsee-Exp., v.8 p. 160 \ 1910 C, T. Stebbing in: Ann. S. Afr. Mus., u6iv p. 413. 



C.arapace without lateral cornua; first pedigerous segment indistinct 

 except sometimes in adult 9 , the second not long. Maxilla 1 with palp ending 

 in 1 or 2 filaments. Only the first pair of the peraeopods carrying exopods 

 in either sex; second peraeopods with the third joint distinct. Endopod of 

 uropods simple. 



25 species. 



