394 [July, 



spines within, the largest next the finger. Branchial leaflets of the third and, 

 fourth segments very small. Posterior legs with their terminal articles much 

 curved. Length, 0.6 inch ; breadth, 0.05 inch. A single specimen, the 

 only caprella taken at the Cape, occurred on a gravelly bottom in Simon's Bay. 



47. Iphimedia obesa. Robust, thick ; superior antennae longest, in length 

 two-thirds that of the body, and with thick basal articles. Eyes very large, 

 sub-reniform, black. Feet of the first two pairs with equal subcheliform hands 

 of moderate size. Caudal stylets slender, smooth ; the posterior ones bi- 

 ramous. Tail terminating in one elongated scale. Color crimson with flake-white 

 blotches. Length, 0.25 inch. Found in the circumlittoral zone, on weedy 

 and sandy bottoms. 



Hab. Australia, at Port Jackson. 



48. (Edicertjs fossor. Body rounded above; abdomen with the third and 

 fourth articles compressed and raised above into a sharp crest. Head with 

 small round black eyes ; superior and inferior antennas equal, with stout flagella 

 forming half their length, each flagellum consisting of about eighteen articles, 

 aad having a serrated appearance from the produced, spine-like inferior corners 

 of each article. Mandibles palpigerous. External maxillipeds much elongated, 

 and curving downward. Feet of the first two pairs with equal, rather broad, 

 ovate hands, the finger being one-half as long as the hand; those of the third 

 and fourth pairs with the terminal article sub-ovate or paddle-shaped, with a 

 rounded extremity covered with hairs, without an unguiculus ; fifth and sixth 

 pairs very short, with a compressed, clavate, or cutlass-shaped terminal article. 

 Epimera of the fifth pair very large, square. Caudal stylets all bi-ramous ; those 

 of the third pair with flattened rami, very hairy on their inner edges. Color 

 white with a few blackish spots. Length 0.2 inch. Found in the littoral 

 zone ; concealing themselves in the sand as they are washed out from it by suc- 

 cessive waves. 



Hab. Australia, at Botany Bay. 



49. Gammaeds rubro-macttlatus. Rather large, spotted with crimson 

 above, white below. Eyes sub-ovate. Superior antennae half as long as the 

 body, inferior ones much shorter and more slender. First pair of hands very 

 small and weak; those of the second pair large, compressed, and with a sharp 

 spine at the middle of the lower edge, where the finger terminates. Abdomen 

 exceeding the thorax in length, or at least equalling it, the appendages excluded. 

 Last pair of caudal stylets half as long as the abdomen ; their rami long and 

 broad, equal, and spinulated along their edges. Length half an inch. Found 

 on muddy bottoms in the circumlittoral zone. 



Hab. Australia, at Port Jackson. 



50. Leucothoe affinis. Robust, thick anteriorly, narrowed much at the 

 abdomen, of a crimson color, mottled with white. Antennae equal in length, 

 slender, uniform in thickness as far as the short flagellum, where they abruptly 

 diminish in size. Eyes large, ovate, broadest above, whitish, with black beneath. 

 First pair of hands with the thumb and first article of the bi-articulate finger 

 greatly elongated and slender ; second pair of hands very large, ovate formed 

 of the penult joint, with a parallel curved thumb projecting from the antepenult. 

 Legs very slender, the posterior pair longest. Length, 0.5 inch. Found on 

 a gravelly bottom in the coralline zone. 



Hab. Cape of Good Hope, at False Bay. 



51. Anonyx variegatus. Large, slightly compressed; back rounded, smooth 

 and glossy, with a sinus at the abdomen. Antennae about equal in length, the 

 superior ones thickened to the origin of the accessory flagellum, which is short 

 and hair-like, equal in size with the true flagellum. Eyes large, black, reni- 

 form. First pair of le,gs with an elongated, tapering hand, and a minute finger ; 

 basal joints of the posterior pairs smooth. Caudal stylets elongated and slen- 

 der. Coler yellowish mottled with brown, .with scattered white dots. Length, 

 0.8 inch. On sandy bottoms in the circumlittoral zone. 



Hab. Cape of Good Hope, at Simon's Bay. 



