212 PERCY SLADEN TRUST EXPEDITION. 
The collection contains specimens of the type variety from various localities in the 
Seychelles, Amirante, Saya de Malha, Peros, and Zanzibar; of var. affinis from the 
Seychelles, Amirante, Saya de Malha, and Wasin, British East Africa; of var. acutus 
from Salomon and Peros; and of var. smithi from Salomon, Peros, and Zanzibar. The 
first-mentioned varieties were taken at various depths from the surface to 30 fathoms. 
5. Gonodactylus glaber, Brooks, 1886 [sphalm. glabrous]. (Plate 22. fig. 2.) 
Brooks, ‘ Challenger? Report, Stomatopoda, p. 62, pl. 14. fig. 5 & pl. 15. figs. 7, 9. 
Specimens of var. ternatensis, taken at various depths from the surface to 30 fathoms, 
from Praslin and Coetivy, Seychelles, Cargados Carajos, Zanzibar, and Wasin, British East 
Africa ; and of var. rotundus (Plate 22. fig. 2) from Coetivy, Seychelles, and Zanzibar. 
6. Gonodactylus demani, Hend., 1894. 
Henderson, Trans. Linn. Soc. (ser. 2), Zool. v. p. 455, pl. 40. figs. 23, 24 (1894) ; Nobili, Boll. Mus, 
Torino, xx. n. 506, p. 11 (1905). 
A specimen from Zanzibar. 
7. Gonodactylus spinosus, Bigelow, 1893.’ 
Bigelow, Johns Hopkins Univ. Cire. 106, p. 101 (1893) ; Proc. U.S. Nat. Mus. xvii, p. 493 (1894). 
A specimen from Praslin, Seychelles. 
Genus ODONTODACTYLUS, Bigelow, 1894. 
8. Odontodactylus japonicus (de Haan), 1849. 
Gonodactylus japonicus, Miers, Ann. Mag, Nat. Hist. (5) v. p. 116 (1880). 
The spines at the angles of the fourth and fifth abdominal segments are wanting in 
the single specimen, which was dredged in 55 fathoms at C 15, Saya de Malha. 
9. Odontodactylus brevirostris (Miers), 1884. 
Gonodactylus brevirostris, Miers, ‘ Alert’ Report, p. 567, pl. 52. fig. C (1884). 
One specimen dredged in 34 fathoms, F 8, Seychelles, 
10, Odontodactylus latirostris, sp. noy. (Plate 22. fig. 5, 3a.) 
Diagnosis—An Odontodactylus with the rostrum broad, truncate-triangular; the 
pleura of the first free thoracic segment not projecting, those of the second truncate, 
those of the third rounded; the claw of the raptorial limb not much dilated at base, 
bearing seven teeth on the inner side; teeth at the hinder angles of the fifth and sixth 
abdominal segments only ; the telson with three keels on each side of the middle keel as 
well as a ridge on the edge, three teeth on the edge on each side, one small tooth inside 
the outer great tooth, two inside the intermediate, many between the submedians; and 
the uropods bearing on the basal process two simple teeth, of which the outer is the 
