FISHERY BULLETIN: VOL. 72, NO. 4 



Figure 11. — Worldwide distribution of Nematoscelis based on mid-water trawls: a - N. atlantica; h - N. microps. (Broken lines 

 represent approximate boundaries of distribution of the species based on literature records and present evidence.) 



122°27'E; 29 April 1961). At six other stations 

 only mature females were caught. The petasma, 

 particularly the broad median lobe with its convex 

 inner and outer margins, is an excellent diagnos- 

 tic feature of this species. The shape of the keel on 

 the carapace of both sexes is also different from 

 other Nematoscelis species. Nematoscelis lobata is 



not reported from any other place, including the 

 Siboga collections from the East Indian Ar- 

 chipelago and the Troll Expedition collections 

 made along the eastern coast of the Philippines 

 (Figure 15). This species appears to be absent from 

 the South China Sea and the Gulf of Thailand 

 (Brinton, manuscript). 



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