— 324 — 



nitens, costis radiantibus subtilissiniis circa 25 sculpta, in inter- 

 stitiis concentrice striata; alba, epiderniide cutacea; umbones 

 parvi, incurvi, vix proniinuli, apice prominente; lunula cordi- 

 forniis; ossiculum album, solidum, oblique contortum, postice 

 inaequaliter bifurcatuni ; lamina cardinalis brevis, incrassata, 

 impressiones parum prufundae. — Long. et d. 5 Mm. Jeiireys 

 angl. 



Pecchiolia insculi)ta Jeffreys Pr. Z. S. 1881 p. 932 T. 70, F. 4. - 



Verticordia ecostata Seguenza. 

 Hab. in Mediterraneo et in abyssis Oceani atlantici. 



6. Pecchiolia sinuosa Jeffreys. C. sinuato-triquetra, 

 convexa, tenuis, opaca, haud nitens, tuberculis microscopicis in 

 series radiantes dispositis, saepe detritis, munita, alba, epider- 

 mide cutacea; umbones minimi, incurvi; lunula excavata, lira 

 indistinctamarginata; lamina cardinalis infra umbones subexcisa ; 

 impressiones indistinctae. — Long. 6, lat. 7 Mm. Jeiireys angl. 



Pecchiolia sinuosa Jeffreys Pr. Z. S. 1881 p. 932 T. 70, F. 5. 

 Hab in abyssis Oceani atlantici. 



7. Pecchiolia angulata Jeffreys. C. elongata, 

 niytiliformis, medio gibbosa, solidula, opaca, haud nitens, tuber- 

 culis minimis seriatim dispositissculpta, lutescenti-albida; margo 

 anterior rotundatus, inferior dechvis, posterior strictiusculus, 

 superior triangularis ; umbones obtusi, intorti; lunula parva; 

 sinus ligamentalis angustus; lamina cardinalis latiuscula, extus 

 retlexa; latus internum margaritaceum impressionibus inconspi- 

 cuis. — Long. 7, lat 4 Mm. Jeffrevs angl. 



•Pecchiolia angulata Jeffreys Pr. Z. S. 1881 p. 933 T. 70 F. 6. 

 Hab. in Oceano atlantico (Porcup. St. 24). 



8. Pecchiolia quadrata Smith. C. quadrata, inae- 

 quilateralis, albida, minute granulata radiatimque obsolete lirata ; 

 margo dorsi utrinque declivis, antice valde concavus, brevis, 

 postice longior, vix excurvatus, subrectus, rotundato-anguiatim 

 in latera ambiens; margo ventralis subangulatim rotundatus, 

 utrinque subrecte adscendens; lunula cordata, valde excavata; 

 umbones prominentes, antice bene incurvati; facies interna albo- 

 margaritacea, nitida; impressio anterior profunda, postica incon- 

 spicua. — Long 7, alt. 6,5, diam. 5 Mm. Smith. 



Verticorclia quadrata Sniith Challeuger p 169 T. 25, F, 8. 



Hab. in abyssis maris lusitanici, prof. 2300 m. 



9. PecchioHa tornata Jeffreys. C. globosa, sub- 

 aequilatera, peri^arum inaequivalvis, seriebus radiantibus tuber- 

 culorum minutorum, postice irregularibus sculpta; umbones tu- 

 miduli invohiti, antrorsi, ligamentum externum, immersum, fos- 

 sula in valv. dextra pone dentem conspicuum prominentem, in 

 sinistra pone apicem incrassatum marginis dorsalis posita. — 

 Long. 13, alt. 13, diam. 10 Mm. 



