IQQ POLYPI. \r<>riioi: \. 



with two parallel series of strong tubercles, radially arranged, the 

 inner series hardlv noticeable in the posterior valve; lateral areas 

 O f 0,0 i,:- tC an-1 posterior valve-Urdered with a single sene 



ofaill ,; Central areas longitudinally impressed-sulci 



on ea the entire surface of valves most minutely asperulate. 



-rayish, maculated with greenish-ashen. 

 Ln breadth 3* mill. (Sow.) 



Island of Art, New Caledonian Archipelago. 



Chiton tuberculosus Souv., Journ. de Conch. 1866, p. 251, t. 9, 



f.3. 



Described from one specimen, which is in the Bordeaux Museum. 

 Its generic characters are not known. 



.,1,01-1. KUHUS NOKMLK Rochebr. Shell ovate elliptical, 

 oblu . !. whitish, with wide ochraceous spots everywhere. 



Anterior valve, lateral areas of intermediate valves and posterior 

 area of posterior valve, circularly, deeply waved, and ornam 



regularly placed bead-like tubercles; central areas smooth. 

 inal li-ament rather narrow, whitish, marked with distant 

 square red spots. Length 17, breadth 10 mill. New Caledonia, M. 

 ,. (Rochebr. in Bull. Soc. Philom. 1883-'84, p. 38). 



GYMNOPLAX LUDOVICI^E Rochebr. Shell ovate, carinated, a little 



obtuse; greenish variegated with white and blue spot?. Anterior 



Herb! area of posterior valve radially tuberculate, the 



tubercles flattened. Intermediate valves having the lateral areas 



ly silicate and bordered by a beaded line; central areas 



: minutely striated. Mar-mal ligament rather wide, shining 



aceous. Length 24, width 17 mill. New Caledonia. Rare. 



. Paris. (Rochebr. in Hull. Soc. Philom. 1883-'84, p. 38). 



GYMNOPLAX ALPHONSIN-B Rochebr. Shell ovate-elliptical, oar- 

 peen. Anterior valve and posterior area of the 

 posterior valve radially costate, the ribs unequal, somewhat beaded. 

 Intermediate valves having the lateral areas 5-ribbed, the ribs wide, 

 the outer much i 1 at the margin. Central areas sulcate, 



smooth at the apices. Marginal ligament narrow, margai it aceous. 

 Length 28, breadth If, mill. New Caledonia (Belligny). Raiv. 

 Mus. Paris. (Rochebr. in Bull. Soc. Philom. 1883-'84, p. 38). 



GYMNOIM \\ BHYIIOHOTUB Rochebr. Shell elongated, intensely 

 carinat( >se color. Valves rostrate at the apices ; anterior 



