278 Transactions. 
differently formed. The ordinary form is undoubtedly a female, being 
often found with eggs or young in the brood-pouch, and I looked upon 
the form with the large peculiar gnathopoda as the male. It differs so 
much, however, that it is not surprising that Stebbing says (1906, p. 295), 
ae МС o 
urp? urp3 
Fic. 6.— Paraleptamphopus subterraneus : female specimen, from surface stream, 
Drummond. urp', first uropod ; urp?, second uropod; wrp?, third 
uropod ; f, telson. 
Fia.57.—Paraleptamphopus subterraneus : specimen from a well at Ashburton. 
urp?, third uropod ; t, telson. 
, The supposed male is uncertain in respect to sex and to identity with 
the species.” Unfortunately I have seen very few specimens of the 
supposed male, and have now records of four only. One was dissected 
for use in drawing up the description I gave in 1894 and I have now 
