THE SPECIES OF AEGLA — SCHMITT 461 



The chelipeds and chela for the greater part have the same general 

 color as the rest of the body, except that as much as the distal half 

 of the fingers may be a bright French or a dark turquoise blue ; the 

 dark grass-green specimen has marine or indigo blue on the fingers 

 of the left hand and royal purple on the right; one other specimen 

 has the greater part of the hand Indian purple with prune purple 

 distally on the fingers. 



The most proximal portions of the chelipeds and ambulatory legs, 

 more or less hidden by the lateral margins of the carapace, take on 

 a dirty cream-buff to clay color; the under parts of the body are 

 similarly colored, except that the sternum sometimes is a Mars brown, 

 and the outer surface of the turned-under abdominal somites and 

 telson are often faintly tinged with a greenish, bluish, or purplish 

 color much like a poorly dyed, plain-colored Easter egg. The ambu- 

 latory legs, usually greenish like the body, are sometimes flushed with 

 purple or blue, especially the under side of the dactyls; in other 

 specimens they may be an almost buff or dirty cream-buff; in two 

 cases it was noted that the articulating membranes are brightly col- 

 ored ferruginous in one, coral red in the other. Distally, the third 

 maxillipeds at least occasionally are faintly tinged with blue, or the 

 last joints even take on a turquoise blue color. The antennal flagella 

 are usually colored like the carapace. (For colors see Ridgway, 1886.) 



Holotype. — ^A large male, U.S.N.M. No. 80016, the largest of several 

 collected at Rio Negro, October 21, 1925, in a wicker fishpot kindly 

 baited and provided by Carlos Zornig, of the Hotel Zornig. This is 

 the largest individual Aegla I have ever seen. It measures a full 44 

 mm. in length of carapace and rostrum together and 75 mm. from tip 

 of rostrum to posterior margin of telson extending abdomen as much 

 as possible without breaking; from telson margin of extended abdo- 

 men over extended chelipeds, 108 mm. 



Distribution. — The species so far has been collected only at Rio 

 Negro, Parana, Brazil, where I secured a modest number of speci- 

 mens by means of the fishpot and also a cast net used by a local 

 fisherman at night over a brief period from October 12 to 14 and 

 again on October 21 and 22. On the early morning of the 14th the 

 air temperature was 58° F., while the water near the bank at about 

 a foot below the surface registered 64° F. 



AEGLA SANLORENZO, new species 



FiGUEE 44 ; Pi-ate 2.1, B 



Description. — The unique type male is a specimen of just about 

 29 mm. in length of carapace and rostrum taken together. The arms 

 are broken and the right, minor hand is shattered; only the first left 

 leg is complete, though detached. In the accompanying drawing the 

 specimen is "restored." 



