ß5() ViNNIE ReAM StOUT, 



verj^ Short, spinöse palm; finger very small. Pereiopod 2 sliorter 

 than pereiopod 1, witli finger abruptly narrowed near the middle. 

 Pereiopods 3—5, second Joint roundly expanded. Pereiopods 4 and 

 ö long. Pleopods small; rami one-jointed, tipped with a few Com- 

 pound setules. Uropod 1 long, peduncle and botli rami spinöse. 

 Uropod 3, ramus subequal in length with the peduncle. Telson 

 simple, much broader than long, just reaching base of peduncle of 

 third uropod. 



Body variously mottled with red and brown. Appendages white. 



L. 10—15 mm. 



This species closely resembles 0. californiana, with its female 

 O. pugettensis, which were exceedingly numerous in the same locality, 

 but differs from it especially in size, color, and length of the second 

 antenna. 



Occasional in sand along high-tide mark. Laguna Beach, Calif. 



Allorchestes frequens n, »p. 



Body smooth. Head without rostrum; side-lobes not produced 

 forward. Eyes small, black, lateral. Side-plates fairly deep. An- 

 tenna 1 witli joints of peduncle successively narrower, antepenultimate 

 longest, ultimate but slightly shorter tlian penultimate, peduncle much 

 shorter than the 12 — 13-jointed flagellum. Antenna 2 much longer 

 than 1; peduncle short, with joints successively longer; flagellum 

 31— 34-jointed. Mandible, molar large; cutting plates dentale; several 

 spines in spine-row; without palp. Maxilla 1, inner plate slender 

 with two plumose setae at apex; outer plate longer with nine toothed 

 spines; palp slender, one-jointed with spine on apex. Maxilla 2, 

 outer and inner plates apically fringed with setae, the inner edged 

 with Single plumose seta on inner margin. Maxillipeds, outer and 

 inner plates small and slender, inner almost as long as the outer, 

 with three spines at apex; palp 4-jointed, long and setose. Lower 

 lip without inner lobes. Upper lip broadly rounded. 



Gnathopod 1 of the female small and slender; the second Joint 

 produced somewhat at distal end ; fifth Joint produced behind, setose ; 

 sixth Joint longer, slender, palm obliquely convex; finger strong, 

 longer than palm and closing between spines. Gnathopod 1 of the 

 male similar to the female, thoiigh a little stouter. Gnathopod 2 

 of the female with the second, fourth, and fifth joints wider than 

 in 1 ; sixth more narrow in porportion, palm more oblique ; the fourth 

 Joint produced as far behind as the fifth. Gnathopod 2 of the male, 



