187S.J 'LIGHTNING' AND 'PORCUPINE 1 EXPEDITIONS. 563 



JSEUSifc?" t0 ■*-*-' 'l-ugbout the Mediter- 



Fossil. Pliocene. Sicily, Rhodes. 



Probably the Lima (Lima tula) crassa of Forbes ; but his diagnosis 

 was incomplete and unsatisfactory. He did not even notfce t e 

 pecuhar nnbncated sculpture caused by the transverse or o n tri 

 stria,. Loven not only described his species accurately and with 

 sufficient fulness to ensure identification, but he rightly assigned I to 

 he genus (or rather subgenus) of Bronn, which he characterized bv 

 having the hinge-plate denticulated. characterized by 



At Station 26 of the 'Porcupine' Expedition of 1870 occurred a 

 minute oval valve (1 millimetre = /of an inch W)T"hich 

 differs from a young L. sarsii of the same size in bein* more sokl 

 and apparently adult. It is slightly ribbed lengthwise^™ tead of 

 being imbricated or nodulous, the hinge is not shouldered and the 

 hinge-plate is very broad and obtusely triangular, with a Propor- 

 tionally large cartilage-pit. It may be "provisionally named ? lTuI 



2. Lima elliptica, Jeffreys. 



Lima elliptica, B. C. ii. p. 81; v. p. 169, pi. xxv. f. 2 



■ Lightning ' Exp. : St. 2, 5. 



A/nrr'^" ] of L SL 3 > 13 > «. the Minch. 1870: 

 ^l^^^^^^^r^ Med. Basel 



lantS M K Japttt" oVfn^ ***** ****> *"*»* 

 fossil. Pliocene and Post-tertiary. Norway, Coralline Crag 

 Belgium, Hungary, Italy, Rhodes ; 0-100 ft. °' 



This may be partly the Ostrea nivea of Brocchi— not the fossil 

 (which has no furrow), but the species noticed by him as reS 

 and measunng half an inch in length. His fossil and recent necies 

 of the same name were evidently different; aud the former only was 

 described and figured. The O. nivea of Renier cannot b TrlZ- 



ZLl fe£ i a i raere , c i atalogue of names - L - (^^)cu- 



neata ot to bes is described as " auriculis insequalibus " In the 

 present spec.es, as well as in the next, the ears arl quite equal 



3. Lima subovata, Jeffreys. (Plate XLV. f . 2 ) 

 ^ Lima subovata, Jeffr.. in Ann. & Mag.' N. H. Nov. 1876, 



'Porcupine' Exp. 1869: St. 19 20 "q oq„ A » , 

 tier; smaller, oblong, and narrow^) 1870 Med fU™ "^ 



36* 



