260 



BIOLOGICAL SURVEY OF 



The general surface of the rest of the animal is without 

 color, except that the first free thoracic segment is yellowish 

 white, the next 2 or 3 have brown middorsal spots, and the 

 epimera of the next to the last thoracic segment are brown. 

 The abdominal segments have postdorsal brown bands. The 

 telson is yellow, due to the color of the rectum. The distal 

 portion of the basis of the uropods is brown. Taken on sand 

 bottom, in 8 feet of water, at S 21. 



Fig. 42 Lamprops quadriplicata, female. 

 B. telson and right uropod. 



A. lateral view of cephalothorax. 



Leuconidae 

 Leucon Kroyer 

 L. NASicoiDES Lilljeborg. (G. 0. Sars, 1900, p. 31, pi. 23. 

 One taken on blue clav, in 220 feet of water. Station : D 15. 



