OF NEW SOUTH WALES. 261 



tibus, margine ventrali valde arcuata, marginibus cardinalibus 

 rubidis, valves altera dentibus card. 2, parvis, deniibus lateralibus 

 brevissimis, postico fere obsoleto, valvce alterce dentibus lateralibus 

 curtis, antico obsoleto, dente cardinali, unicovalido. Long. 2*5, 

 alt. 2 mil. Hab. Sydney Harbour. 



MODIOLARIA VARICOSA. 



T. tenuis- compressa, ovato-lrapezoidalis, dilute viridis, lineis 

 fuscis angulatis ornata, umbonibus terminalibus, extremitate antica 

 acuta, marginibus arcuatis, divergentibus, extremitate postica rotun- 

 data, arcis lateralibus striis frequentibus radiantibus impressis ; 

 area mediana striis conceniricis vel etiam striis radiantibus solum 

 inscidpta ; pagina interior iiacrea, lineis angulatis rufis perlucen- 

 tibus. Long. 9, alfc. 6, lafc 2'5 mill. Hab. Sydney Harbor. 



Emarginula aspera. — (Loc. cit. vol. II., p. 154.) 



T. parva tenuis, depresso-conica, fuliginosa, costis elevatis, quad- 

 ratis plerumque duplicibus ad 10, albidis, ad intervales striis 

 crebris decussantibus exasperatis vertice subcentrali, acuto, recurvo f 

 intus glauca, albido radiante margine denticulato, incisura angusta, 

 profunda, intus in canalem versus apicem producta. Long \, 

 lat. ™, alfc. ™ poll. Hab. Sydney. Much like E. rugosa, Quoy 

 and G. in size and form, but differing in color, sculpture, and 

 the larger size of the notch. 



Emarginula ossea. 



Is described as from the Fiji Islands, and was identified 

 with Tugalea Tenisoni, nobis, but Dr. Gould distinctly says his 

 shell is thick and coarse and allied to Emarginula australis Lam., 

 while the Australian and Tasmanian shell is fine, thin and 

 depressed. 



I have only to add that I have not interfered with Dr. Gould's 

 Latin. This eminent naturalist it will be seen took many liber- 

 ties with the classic language. 



