6 MR. H. ADAMS ON NEW SHELLS. [Jan. 13, 
Corsuta suucutosa, H. Ad. (Plate I. fig. 2.) 
C. testa solida, acuminato-ovata, albida, subequivalvi, sulcis con- 
centricis subdistantibus ornata ; umbonibus medianis, prominenti- 
bus, proximatis ; latere antico ovali, latere postico acuminato ; 
margine dorsali antice subincurvo, postice arcuato, margine ven- 
trali vix sinuato ; declivitate umbonali valde angulata. 
Long. 9, alt. 6, lat. 6 mill. 
Hab. Red Sea (Coll. Mf‘ Andrew). 
TeLuina (TELLINELLA) vircuLata, H. Ad. (Plate I. fig. 3.) 
T. testa solidiuscula, subovali, subequilaterali, concentrice conferte 
lirata, liris postice rugose lamellosis, albida, radiis rubro-fuscis 
interruptis picta; latere antico ovali, latere postico ad extremi- 
tatem subtruncato ; plica valida; margine dorsali antice leviter 
arcuato, postice vir recto ; margine ventrali convexo, postice sub- 
sinuato ; intus albida, ad marginem obscure radiata. 
Long. 25, alt. 20 mill. 
Hab. Red Sea (Coll. M‘ Andrew). 
TeLuipora pusiuua, H. Ad. (Plate I. fig. 4.) 
T. testa parva, subtriangulari, solida, concentrice lamellosa, et inter 
lamellas tenuissime radiatim striata; lamellis subirregularibus, 
subremotis, ad latus posticum serratis, pallide flava; umbonibus 
submedianis, acutis, compressis ; margine dorsali antice subincur- 
vato, postice subarcuato ; margine ventrali convexo, postice sinuato 
et angulato; flecura conspicua; valva utraque convexa. 
Long. 10, alt. 10, lat. 4 mill. 
Hab. Red Sea (Coll. M‘Andrew). 
The two other known species of this genus, viz. 7’. burneti and T. 
erystallina, are from Mazatlan and West Columbia. In the former, 
one valve is convex and the other slightly concave, while in 7’. ery- 
stallina and T. pusilla both valves are convex. 
Lucrnopsis (Lasonxarria) ELEGANS, H. Ad. (Plate I. fig. 5.) 
L. testa parvula, tenui, ovato-quadrata, alba, lineis incrementi con- 
spicuis, remotis, et striis tenuissimis confertis divaricantibus, in- 
terstitiis indentatis insculpta ; umbonibus medianis, approximatis, 
prominentibus ; lunula elongato-ovali, linea angusta circumscripta; 
extremitate antica ovali, extremitate postica latiore, via conveza, 
cum margine dorsali angulum subarcuatum formante ; margine 
ventrali subrecto. 
Long. 11, alt. 10, lat. 5 mill. 
Hab. Red Sea (Coll. M‘Andrew). 
SEMELE MACANDRES, H. Ad. (Plate I. fig. 6.) 
S. testa oblongo-ovali, inequilaterali, solidula, albida, lumellis 
erectis tenuibus concentricis ornata, interstitiis minutissime ra- 
diatim striatis; umbonibus prominentibus, postmedianis, contiguis ; 
margine dorsali postice subrecto, antice incurvato, margine ven- 
