34 PEOF. A. DEKDT ON THE 



more or less oval shape, very abundant, large and small, measuring 

 up to about 0*92 mm. by 0*77 mm. in the two diameters. 



The specimen was found at Oamaru, and is the property of 

 the Canterbury Museum. 



Cucumaeia(?) Thomsoni, Hutton. 



1879. Cucumaria Thomsoni, Hutton, Trans. N. Z. Inst. vol. xi. p. 307- 



1886. Cucumaria Thomsoni, Theel, * Challenger' Holothurioidea, p. 116. 



The original description runs as follows: — " Body fusiform,, 

 scarcely sub pentagonal. Skin rough, vfrinkled. Ambulacra with 

 the tubercles densely crowded in about 5 or 6 rows. No feet on 

 the interambulacral areas. Tentacles — ? 



" Rich brown, the white tips to the feet giving the ambulacral 

 areas a spotted appearance. Length 1| inches. 



" Stewart Island. — Presented to the Museum by G-. M. Thom- 

 son, Esq., after whom I name it. A single specimen in spirit." 



This is all the information we have concerning the species, 

 Theel simply mentioning it. 



Professor Parker, who is now in charge of the Duuedin 

 Museum, informs me that the type specimen was sent to the 

 Colonial and Indian Exhibition in London, and thence to the 

 British Museum, where it should now be, so that we must look 

 in that direction for more light on the subject. 



CUCITMAEIA (?) TURBINATA, SuttOfl. 



1879. Labidodesmus turbinatus, Hutton, Trans. N, Z. Inst. vol. xi. 

 p. 307. 



1886. ? Cucumaria turbinata, Theel, ' Challenger ' Holothurioidea, 



p. 117. 



The original description runs as follows : — " Body rounded, 

 suddenly contracted posteriorly into a short-pointed tail, and 

 anteriorly into a rather long, cylindrical neck ; skin smooth, 

 slightly transversely wrinkled ; the two dorsal ambulacra with 

 two rows each of rather distant feet ; the three ventral ambu- 

 lacra either like the dorsal or with more crowded feet in several 

 rows. Tentacles — ? 



"Body white, covered with a brown epidermis^ which easily 

 peels off, except round the ambulacral feet. Length 2| or 

 3 inches. 



'• Stewart Island. — Presented to the Museum by Gr. M. Thom- 

 son, Esq. Two specimens in spirits." 



In this case again, Professor Parker informs me that the type 



