94 



BULLETIN 201, UNITED STATE'S NATIONAL MUSEUM 



Figure 26. — Gastrosaccus johnsoni Tattersall: a, Dorsal view of anterior end to show rostral 

 plate, eyes, antennular peduncle, and antennal scale, X 50; b, outline of posterior margin 

 of carapace, X 50. 



Telson (fig. 28, a) including the terminal spines, slightly shorter 

 than the inner uropods, 2y 2 times as long as broad at the base, cleft 

 of the usual type and with the usual armature, lateral margins with 

 nine spines extending throughout their entire length, the distal pair 

 of spines on each margin much larger than the rest, about three times 

 as long as the antepenultimate spines, subequal in length and placed 

 close together. 



