AMPITHOIDAE FROM SOUTHERlSr CALIFORNIA — BARNARD 



Figure 3. — Ampithoe humeralis Stimpson, male, 22 mm., sta. 1206: a-d, uropods 1, 2, 3, 3; 

 e, telson; female, 19 mm.: /, g, gnathopods 1, 2. 



Ampithoe lacertosa Bate 



Figures 4-5 



Amphithoe [sic] lacertosa Bate, 1858, p. 362; 1862, pp. 236-237, pi. 41, fig. 5. 

 Ampithoe lacertosa. — Stebbing, 1906, pp. 633-634.— J. L. Barnard, 1954, pp. 



31-33, pis. 2&-30.— Nagata, 1960, pp. 175-176, pi. 16, figs. 95-96. 

 Amphithoe macrurus Stephensen, 1944, pp. 80-83, figs. 30-31. 

 Dexamine scitulus Harford, 1877, p. 116. 



Amphithoe scitulus Holmes, 1904, pp. 314-315, pi. 36, figs. 21-24. 

 f Amphithoe Stimpsoni Boeck, 1871, pp. 14-15, fig. 5. 



Diagnosis: Second and third pleonal epimera with a point at the 

 lower posterior comers; articles 5 and 6 of male gnathopod 1 subequal 

 in length, posterior edge of article 5 formed of a broad, flat lobe 

 bluntly projecting distally, palm oblique; male gnathopod 2 with 

 large rounded lobes on articles 2 and 3, article 5 with an intermediate- 

 sized hind lobe, article 6 greatly elongated, subrectangular, palm 

 transverse, slightly sinuous, slightly cheliform, dactylus stout, fitting 

 palm, apically blunt; article 2 of pereopods 1-2 about 2.2 times as long 

 as broad; ventral edge of article 1 of antenna 1 with several spines; 

 antenna 1 reaching farther than antenna 2, its flagellum about twice as 

 long as flagellum of antenna 2, both flagella poorly setose, but long and 

 with niunerous articles; outer apical lobule of lower lip twice as long as 

 inner lobule, peduncle of uropod 3 elongated; peduncular process of 

 uropod 1 poorly developed. 



