144 



U.S. NATIONAL MUSEUM BULLETIN 292 



distally Avith. scattered, short, stout spines; terminating in long, strong 

 spine with sharp spiral tip and armed mesially with sharp, straight 

 spine directed mesiodistally. A large species, maximum carapace 

 length in midline nearly 60 mm. 



Color in life. — Carapace chocolate brown and yellow, or orange; 

 anterior and anterolateral margins with narrow band of yellow; 

 protogastric, mesogastric, most of anterior two-thirds of cardiac, 

 and anteromesial portions of branchial regions also yellow; central 

 yellow area with pair of chocolate-brown spots lateral to anterior 



Figure 40. — Guinotia (Guinotia) dentata, male (carapace length 45.0 mm) from Dominica 



station 66. 



portion of cardiac region. In some individuals, almost entire dorsal 

 surface of carapace yellow with submarginal brown area and antero- 

 lateral pair of brown lobes extending posteromesially along cervical 

 grooves; in such yellow individuals, spots characteristically present 

 in yellow area greatly reduced in size and bleached to very poorly 

 defined, slightly brownish areas. Lower surface of carapace chocolate 

 brown, slightly lighter just dorsal to bases of legs; pterygostomian 

 region very dark brown, almost black. 



Eyestalks yellow to yellowish tan with black cornea, sometimes 

 vermilion at base. Third maxilhpeds with distal podomeres chocolate 

 brown, a little lighter at articulations and along mesial border; 

 smaller basal podomeres yellow. Cheliped with coxa yellowish tan, 



