Lecamincs. 185 



(3^) Dorsum without conspicuous carinae. 



Nigrum, p. 229. 

 {W-) Derm with large rounded cells. 



Hemisph^ricum, p. 252. 

 E. ? flat ; skin hard ; marginal hairs flabelliform ; margin of 

 venter with well-defined chitinous zone. Adult $ 

 without caudal filaments (^Paralecanmnt). 



[a) Legs wanting EXPANSUM, p. 255. 



{b) Legs present : 



(rt^) Width of marginal zone, at posterior extremity, half or 

 more than half-length of anal cleft ; 

 [tf-) Length of body less than 3 mm. 



Marginatum, p. 237. 

 (3^) Length of body 3 mm. or more ; 



(«■'*) Marginal zone recurrent along anal cleft. 



Geometricum, p. 239. 

 (^^) Marginal zone not recurrent. 



Calophylil, p. 240. 

 {b^) Width of marginal zone, at posterior extremity, less 

 than half-length of anal cleft ; 

 [c^) Length of body 3.50 to 4 mm. 



Peradeniyense, p. 241. 

 {U'-) Length of body not more than 3 mm. 



(rt^) Margin with numerous (9-10) indentations 



between flabellse Planum, p. 243. 



{b"^) Margin with few (3-4) indentations between 

 flabellae ; 

 (rt*) A broad translucent submarginal zone. 



ZONATUM, p. 245. 

 (^*) No translucent submarginal zone. 



Maritimum, p. 246. 



