393 



5. Ltngula TUMiDULA (pi. Ixvii, f. 7.) Beeve, Zool, Proc. 

 1841. p. lUO. 



L. testa tenui, cornea, subquadrata, lata, rufescente-oUvacea, radi- 

 atim irregiilariter striata, apice subtrilobo. 



Broader in proportion than any other known species ; it is some- 

 what narrower toward the base than at the apex, and it is irregu- 

 larly and somewhat radiately striated jErom the base to the broad 

 and subtrilobate apex. 



New Holland. 



Lingnla compressa of Reeve is oidy a badly preserved specimen 

 of tliis species, Masbate, H. Cuming. 



6. LiNGULA ovALis (pi. Ixvii, f. 8.) Eeeve, Zool. Proc. 1841. 

 p. 100. 



L. testa oblongo-ovali, subcompressa, tenui, antice rotundata. 

 Distinguished from other species by its regularly oblong-oval 

 shape, both ends being nearly similar. 

 Sandwich Islands, H. Cuming. 



7. LiNGTJLA ALBiDA (pi. Ixvii. f. 6.) Hinds, Moll. Vov. of the 

 Sulphur, p. 71. 1. 12. f. 4. 



L. testa oblonga, Isevi, complanata, antice truncata, ubique albida ; 

 pediculo brevi, cyhndraceo. 



" This species is distinguished by its uniform dead white colour, 

 and very short pedicle, wliich does not exceed half the length of 

 the shelly portion." — Hinds, 



Bay of Magdalena, California. 



EXPLANATION OF PLATE LXVII. 



1. 3. 3. Lingula anatina, Sp. 1. 



4. hians, 2. 



5. Audebardi, 3. 



6. albida, 7. 



7. tumidula, 5. 



8. ovalis, 6. 



9. anatina, var. 1. 



10. anatina, var. 1. 



11. semen, 4. 



Printed by Reeve, Brothers, Kiug William Street, Strand. 



