1 879.] ■ LIGHTNING ' AND « PORCUPINE ' EXPEDITIONS. 5 73 



J Valorous* Exp .Spitsbergen, Loffoden Isles to G. of E«nna 



Fn e -l S v , EXP - (° ff , C " lebra I- Danish West Indies) ; 20-1 1 70 fms' 



BeS S Fr e a ? e / n TM° St ; t r t i ary - Nonra * Coralli » e Cr4 (not 

 oeigian;, Ss. 1 ranee, Italy, Rhodes ; 0-100 ft 



*Z ar \ S -K te ^ ri0 "f S - Lar g er >™re triangular and oblique and 

 finely striated lengthwise, but not reticulated? q ' 



ihis form resembles that of the next species 



'Lightning' Exp.: St. 135. 



'Porcupine' Exp. 1869: St. 23a. 1870: Atl. 16 17 17« 



18» > Z* ?«?« ; Bul ! d ° S ' Ex P- Norwe S ia » «■& Exp 1876 

 18 ^ 7 - and 1878, Dutch arctic Exp., Fin mark ; 146-656 fms ' 



Fossd. Phocene. Palermo and Messina, with the typca "form 



R.SSO described this species in 1826 as A. »E but the 



SerWood. C ° USldered ° bSOlete - » iS al8 ° the * -^L th o? 



10. Arca frielei, Jeffreys. (Plate XLV. %s. 4 4 a ) 

 ^^./^•(Jeffr.), Friele in Mag. f. Naturvid. xxiii.h. 3, p . 2 



' Porcupine' Exp. 1869: St. 65. 



Distribution. Norwegian arctic Exp., 1876-8; 459-1333 fms 



il* m t m h u U T, of Herr Herma » *«*» of Bergen who uTd'er 

 ook with such ability the charge of the Mollusca i,7the ast mei 



turned expeditions. This and the preceding two so cies belo.™ to 

 he action or subgenus Cucullcea, in which°the teetlTare com fra 



b the jlh^ f n d ° bl , iq , UeI ^ A 'S™ lei has b <*» 'a ely nS 

 W the Jahrb. d. D. malak. Ges. Ht. ii. 1879, t. 4 f 9 but be 



hinge is represented as toothless, and I therefore W it refigured 

 Glomus nitens, Jeffreys. (Plate XLV. figs. 5, 5 a ) 

 G.mtens, Jeffr. in Ann. & Mag. N. H. Nov. 1876, p. 433 



Porcupine Exp. 1869: St. 16, 19</ 20 21 '?2 -in si Qn 

 J***"** ' Valorous ' Exp. ; 'l750 ftps ' ' ' 31> 39 ' 

 ihe genus Glomus is remarkable for its globular shape its elon 

 gated and slanting cartilage and th P t^tU u • * P ' , 

 obliquely. ° ' e teeth bein S few and set 



Silicula ', Jeffreys. 

 Shell oval or oblong, open at the anterior or longer end • ™, 



aTnofZ U mm \ e: teeth kminar ' parallel with the h,Wl" 

 7calL% n8ht ^^ t0 lt ° r dia = 0ua1 ' a * » other general tS 



W «*?■ th ° Ugh n f P ^ eo ^ as an appropriate generic name ■ 



f tb s eM a ;us s k o vv TLe k r wD in T?i ta T ny '.ii Ew "j-tKSsa 



1 A little pod. 



