
HALE—AUSTRALIAN CUMACEA 167 
Feb,, 1958). Queensland: Moreton Bay, Myora Bight, surface (1. 8. R. Munro, 
various stations, 50 em. 40 m. net, Nov., 1940). Types in South Australian 
Museum, Reg. No. C. 2580-2581. 
The species is named after Prof. T, Harvey Johnston, who first collected it. 
The formalin treatment of silt-covered stones produced a good number of ovige- 
rous females which are of two sizes, approximately 1:5 mm, and 1:95 mm, in 
length. 

mxp,3 ? 
Hig. 15. Nanniastacus johnstoni, paratypes adult male and ovigerous female; e. pace, anterior 
portion of carapace, somewhat flattened; ant., mxp. and prp., first antenna, third maxilliped and 
peraeopods; urop., uropods with fifth pleon and telsonie somites (all X 108). 
This wonld seem to be the common Vannastacus in Sydney Harbour. [1 is 
close ti minor Calman (1911, p. 357, pl. xxxiv, fig. 1-3); but bas the exopod of 
the uvopod relatively shorter in the female, with its distal spine not reaching nearly 
to distal end of endopod; further, while the branchial regions are more inflated 
(han in Calman's species, there is no median dorsal depression between the tumidi- 
ties in this sex, 
Mr. Munro seeured a good number of males only and the species is evidently 
abundant in Moreton Bay, Queensland, also. These males range in size from 1-5 
