300 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 5 



broad, flat, and quite long. There are also many spines on all parts ; the 

 hairs are large and small, often flattened ; and there are also peculiar little 

 2-branched spines, especially on the chelifori. 



The chelifori are broad and covered with an unusually thick lot of 

 flat hairs. The palpi are 9-jointed and long, not very hairy. The segment 

 lines are strongly chitinized. The position of the last transverse processes 

 is rather unusual. The terminal joint of the 3-jointed chelifori is unusual. 



Color: Pale straw. 



Measurements: Base of chelifori to 1st segment line, 0.4; between 

 segmentation lines, 0.15; from the 3rd line to the end of the last trans- 

 verse process, 0.25. Proboscis, 0.85 by 0.2 to 0.45. Total length of the 

 body, 1.8; lateral process width, 0.2; body between, 0.4; total body 

 width, 0.8; under level, 0.15 by 0.15. Chelifori, 1st joint, 0.4 by 0.1; 

 2nd joint, 0.35 by 0.075 to 0.1. Palpi, 1st joint, 0.125 by 0.1 ; 2nd, 0.2 

 by 0.875; 3rd, 0.35 ; 4th, 0.2; 5th, 0.2 by 0.175; 6th, 0.175 by 0.4; 7th, 

 0.1; 8th, 0.125; 9th, 0.175 by 0.025. Oviger, 1st joint, 0.2 by 0.175; 

 2nd, 0.25 by 0.1; 3rd, 0.175 by 0.1; 4th, 0.375 by 0.075; 5th, 0.4 by 

 0.075; 6th, 0.1 by 0.075; 7th, 0.175 by 0.075; 8th, 0.075 by 0.05; 9th, 

 0.05 by 0.05. Ambulatory appendages, 1st joint, 0.275 by 0.2; 2nd, 0.3 

 by 0.1 to 0.2; 3rd, 0.3 by 0.2; 4th, 0.5 by 0.2; 5th, 0.65 by 0.1 to 0.2; 

 6th, 0.65 by 0.175 ; 7th, 0.075 by 0.075 ; 8th, 0.2 by 0.1. Spread, 6.6. 



Genus NYMPHOPSIS Haswell, 1885 



"First pair of appendages well developed cheliform. Second pair well 

 developed with 9 joints. Third pair with 7 joints, none provided with 

 compound spines." The above is Haswell's description of the genus. It is 

 quite evidently incomplete and not inclusive enough. The 1st pair of 

 appendages is not always chelate, although the last joint suggests it often. 

 The compound spines of the body and appendages are characteristic, to- 

 gether with the long abdomen with its characteristic spines. 



Nytnphopsis spinosissima (Hall 1912) 

 Plate 44 



Ammothella spinosissima Hall, First Laguna Report, 1912. — Hilton, 

 Jour. Ent. and Zool., vol. 8, no. 2, 1915, p. 67; vol. 12, no. 4, 

 1920, p. 92; vol. 31, no. 2, 1939, p. 72; vol. 31, no. 4, 1939, p. 31. 

 — Hedgpeth, Amer. Mid. Nat., vol. 22, no. 2, 1939, pp. 461-463, 

 pi. 2. 



