APPENDIX. 



Species of Mazatlan shells wiil be found, from tlie Voyage 

 of tke Blossom, described in the ''Zoological Journal," vol. iv., 

 and in Dr. Graj^'s "Zoology of Capt. Beeehey's Voyage." Several 

 appear in the various Monographs, and especially in the " Pro- 

 reedings of the Zoological Society" They will be seen tabulated 

 in the Brit. Assoc. Eep. 1846, pp. 285 et seq. The foUowing 

 vrere described as new species by Philippi in the " Zeitschrift 

 fur Malacozoologie" 1846, pp. 19—21, 51—55, and were brought 

 from Mazatlan by a member of his family. 



1. Corhula alba, Phil. B. M. Cat. sp. ?30. 



C. testa ovato-oblonga, tomida, sequilatera, antice rotundata, 

 postice acuta, subrostrata et utrinque carinata, lactea, sulcis 

 tenuibus transversis cincta. Long. 6 ; alt. 3f ; crass. 3^ '. 



2. Tellina cicercula, Phil. >» '66. 

 T. testa ovato-elliptica, obliqua, latere postico longiore, an- 



gustiore, purpurascente ; striis perobliquis, fere perpendiculari- 

 bus, antice obsoletis, postice semel fractis. Alt. 3'3 ; long. 3|"'. 



3. Tellina letiticula, Phil. » 67. 

 T. testa ovato-elliptica, obliqua, albida ; latere postico long- 

 iore, angustiore ; striis confertis, obliquis, regularibus, haud 

 fractis. Alt. 3i ; long. 3| ; crass. 2'". 



4. Tellina dichotoma, Phil. 



T. testa ovata, alba; latere postico longiore, angustiore, 

 acutiusculo ; striis obliquis, antice dichotomis, postice semel 

 fractis. Alt. 3 ; long. 3- 3'". ^ 



5. Tellina erviUa, Phil. 



T. testa ovato-orbiculari, subaequilatera, postice acutiuscula, 

 alba ; striis tenuibus, antice haud flexuosis, postice semel fractis. 

 Alt. 3i ; long. 3^ ; crass. 2'". 



6. Bijjlodonia ohliqua, Phil. »> l^l- 



D. testa ovata, altiore quam longa, perobliqua, kevi, solidiua- 

 cula, alba. Alt. obliqua 3.i ; long. 3i ; crass. 2'". 



7. Lucina cancellaris, Phil. .. 143. 

 L. testa parva. suborbiculari, subaequilatera, timiida, alba ; 



lineis elevatis radiantibus transversisque cancellata ; lunula 

 excavata ; apicibus acutis unciuatis ; margine mtus crenato. 

 Alt. 2 ; long. 2 ; crass. \\"'. 



