14 RECORDS OK TUE AUSTRALIAN MUSEUM. 



The form of the front excludes tliis species from the sfenus 

 Mdcroplifli'diHiiit in wbicli it was y)laced by Haswell. It ayi'ees in 

 all its Lrenerif cliai-acters vvitli Jl fm ij)ht.r /ilrtl /u'n. Heller, from 

 which it is sepai'ated specifically by its lont^er eye-stalks, nai- 

 rowei' front, and moi-e slendei' lejjs, etc. 



The s[)eciinen tigui'ed on PI. vi., fig. 3, is a young male fi'uin 

 Victoria, whicli measur'es 17 mm. across the carapace. it 

 diffei's fi'om the type, and another lai'ger example from Tas- 

 mania, only in having tlie hands aTid wrists pi'oportiunately 

 broader and shorter; we have figured these joints of the 

 Tasmanian specimen in fig. 4. 



H. Idtifroutt is represented in tlie collection of sub-fossils by 

 three carapaces, one of which is snflRciently pei-fect to leave no 

 doubt of its correct identification. 



Loc. — Estuai'ine deposit, Yai-ra Delta, Melbourne (Austr. 

 Mus.— ,S. //. Wintle). 



