124 bulletin: museum of comparative zoology. 



little question that they represent an undescribed species, for the arrangement of 

 the pores is very characteristic. The pairs are in very oblique, somewhat curved 

 arcs of five, divided by a secondary tubercle into an inner group of two, and an 

 outer, lower group of three pairs. The vertical series of secondary tubercles thus 

 divides the poriferous zone into an inner and an outer band, the latter somewhat 

 the wider. The globiferous pedicellariae are also very unique, for the expanded 

 basal part of each valve is very wide, .60 of the length of the valve, and the 

 terminal tooth is very long, .25-.35 of the valve length. Tridendale pedicellariae 

 appear to be wanting. The test is very light purplish, noticeably darker abac- 

 tinally, particularly on the median interambulacral areas; on and around the 

 abactinal system there is a very evident green tinge. The primary spines are 

 light purple, rather abruptly tipped with whitish. The smaller spines are very 

 much lighter. In the smaller specimen (9 mm.), the primary spines are purplish 

 only at base, the terminal part being light greenish and the arcs of pore-pairs are 

 nearly vertical above the ambitus and are uninterrupted. 



Station 4794. Off east coast of Kamchatka, 58-G9 fathoms. 



5003. Off southwestern coast of Saghalin Island, 35-38 fathoms. 



Two specimens. 



TEMNOPLEURIDAE Desor. 

 Temnopleurus Reynaudi Agass. 



Temnopkuncs Reynaudi Agassiz, 1846. Ann. Sci. Nat., 6, p. 360. 



The specimens taken by the " Albatross " are all small (9-23 mm.) and show 

 no little diversity. The test is thin and the spines are long and slender. The 

 depth of the pits varies greatly in different specimens, in some cases being so 

 shallow as to be scarcely noticeable. The proportion of height to diameter is also 

 variable, ranging from 40 to 55 per cent. The color of the test varies from dull 

 purple, lighter on the poriferous zones, to yellowish-white, blotched around the 

 abactinal system with red, green, purplish, or brown. The spines are brownish, 

 purplish, greenish or dirty white, sometimes much lighter at base than at tip. 

 Station 4815. Between Hakodate and Sado Island, Japan, 70 fathoms. 



" 4832. Between Nanao and Tsuruga, Hondo, Japan, 76-79 fathoms. 



" 4893. Southwest of Goto Islands, Japan, 95-106 fathoms. 



" 4891. Southwest of Goto Islands, Japan, 95 fathoms. 



" 4895. Southwest of Goto Islands, Japan, 95 fathoms. 



" 4902. Southwest of Goto Islands, Japan, 139 fathoms. 



" 4904. Southwest of Goto Islands, Japan, 107 fathoms. 



" 4931. In Colnett Strait, Japan, 83 fathoms. 



" 4933. Off Kagoshima Gulf, Japan, 152 fathoms. 



" 5074. In Suruga Gulf, Japan, 47 fathoms. 



" 5095. Off Gulf of Tokyo, Japan, 58 fathoms. 

 Seventeen specimens. 



