1870. ] MR. H. ADAMS ON NEW SHELLS. 7 
trali arcuato ; extremitate posteriore subovali, cum margine dor- 
sali angulum formante, extremitate anteriore rotundata ; valvis 
ad marginem ventralem compressis, postice fleruosis et angulo 
dorsali curvato instructis. 
Long. 23, alt. 18, lat. 9 mill. 
Hab. Red Sea (Coll. M‘ Andrew). 
Cuione PuLCHELLA, H. Ad. (Plate I. fig. 7.) 
C. testa transversim ovali, solidula, convexa, equilaterali, lamelilis 
concentricis erectis ornata, ad extremitatem posticam validis et 
granulosis, inter lamellas radiatim striatis, carnea, rubro marmo- 
rata; umbonibus medianis ; lunula angusta, bene impressa ; intus 
rubra. 
Long. 10, alt. 53, lat. 33 mill. 
Hab. Red Sea ( Coll. M‘ Andrew). 
Lorires pecussata, H. Ad. (Plate I. fig. 8.) 
L. testa subglebosa, solidula, striis tenuibus, elevatis, confertis, con- 
centricis et radiantibus decussata, alba; umbonibus submedianis, 
elevatis, acutis, approximatis, antrorsum versis ; margine interno 
concinne crenulato. 
Long. 9, alt. 11, lat. 9 mill. 
Hab. Red Sea (Coll. M‘dAndrew). 
Perna Fuuterpa, H. Ad. (Plate I. fig. 9.) 
P. testa transversa, elongato-ovata, tumida, castanea, nitida, area 
mediana pallidiore ; umbonibus subterminalibus, contiguis, viola- 
ceis; margine dorsali in medio obtuse angulato, margine ventrali 
antice convero, postice parum incurvaio; superficie valvarum 
sulco levi radiatim bipartita. 
Long. 28, alt. 15, lat. 11 mill. 
Hab. Red Sea (Coll. M‘Andrew). 
Limopsis concinna, H. Ad. (Plate I. fig. 10.) 
L. testa solidula, subovali, subequilaterali, concentrice irregulariter 
lirata, radiatim confertissime tenuissime siriata, alba; umbonibus 
submedianis, prominentibus, incurvatis ; latere antico rotundato, 
latere postico longiore, ad extremitatem subangulato ; denticulis 
cardinalibus utringue ad 5; margine intus crenato-sulcato. 
Long. 4, alt. 4, lat. 22 mill. 
Hab. Canary Islands (Coll. M‘Andrew). 
Lim#a pectinaTa, H. Ad. (Plate I. fig. 11.) 
L. testa solidula, triangulari-ovata, subequilaterali, subauriculata, 
alba, costis radiantibus ad 19, rotundatis, elevatis, imbricatis or- 
nata, interstitiis concentrice laminatis ; margine crenato ; umbo- 
nibus prominulis ; area ligamenti vir eacavata ; margine cardinali 
vie obliquo, recto, denticulis ad 11 utringue instructo. 
Long. 24, alt. 3, lat. 2 mill. 
Hab. Red Sea (Coll, M‘Andrew). 
