■688 



JOHN HEWITT. 



spines, whereas, according to Dr. Purcell's figure (Ann. S. Af. 

 Mus. ii, p. 218), there are only five spines in o'ueili. I 

 may remark, however, that tlie spine-armature in specimens 

 from Alicedale which appear to be referable to o'neili does 

 not agree with the above-mentioned figure, but resembles 

 that of idioceras, which has three spines, instead of two, 

 on the distal portion of the tarsus. 



Text-fig. 1. 



Hemiblossia idiocerus. sp. n. 



A. Flagellum of adult male seen from meeiiil side, x -IJ-. b. Distal 

 end of flagelliuu in face view, also portion of mesial surface. 

 X 32. c. Flagellum from outer side, x 44. 



The descri})tion of o^neili contains no allusion to the 

 presence of some characteristic thickened bristles on the 

 sternites, a secondary sexual character of adult males; such 

 bristles certainly occur in our Alicedale specimens, ;ind are 

 present in the form now described. 



Flas"ellum. — The main portion of the flayellum is a thin 

 flat lamina rotatable at the base : on its mesial side, upper 

 and lower out-growths of the lamina approximate to form an 

 •elongated flattish pouch which occupies almost the whole 

 length of the flagellum, and has a long and fairly wide slit- 



