Archey. — The Marine Crayfish of 'New Zealand. 



405 



The abdominal pleura end in a strong, backwardly and downwardly 

 projecting spine, and have one tooth on the posterior border. 



Fig. 7. — Puerulus of Jasus hiigelii (Heller), Cuvier Island. 



X 



A, \r 



\i f V 



The spines on the telson (fig. 8) have the following arrangement : 



There are 2 strong submedian spines behind the anterior border, behind 



them is a row of 8 spines stretching 



across the telson, with the iimer ^ , ^ 



teeth slightly in advance of the outer 



their outer neighbours, giving the 



line a very broad arrow-head shape. 



There is no sign of a double narrow 



median row, as in the puerulus of 



J . lalandii. Other larval characters, 



such as the coupling - hooks on the 



pleopods, the separation of the man- 

 dibles at the base, and the short 



antennular peduncle, are as in the 



puerulus of J. lalandii. There are no 



thoracic exopods visible. ■ ^~~^ ^ 



Length, 20 mm. Pig. 8.— Telson of puerulus of Jasus 



Localiti/. —iitewavt Island. hiigelii (HeUer), showing arrange- 



ment of the spines, x 12. 



Bibliography. 



1861. Heller, C. Sitzungsb. der Weiner Akad. der Wissenschaften, Bd. 45^ 

 S. 393. 



1868. Heller, C. Eeise der " Novara," Crustacea, pp. 96-99, pi. vii. 



1875. Hutton, F. W. "Descriptions of Two New Species of Crustacea 

 from New Zealand." Trans. N.Z. Inst., vol. 7, pp. 279-80. 



1876. Miers, E. J. " Catalogue of the Stalk- and Sessile-eyed Crustacea 

 of New Zealand," p. 74. 



