MELViLL : NOTES ON THE GENUS tIARPA. 



39 



Harpa conoidalis Lamk., 

 V. articulaiis Lamk., 

 V. ligata Menke 



\=nabHnm Martini] 

 forma striatida juv., 

 „ cost at a L., 

 ,, crenata Swains., 

 ,, gracilis Brod. and Sowb., 

 >/iinor Lamk. 



V. crassa Phil., 

 V. solidula A. Ad., 

 V. virginalis J. Gray, 

 Harpa nobilis Lamk., 



,, rosea Lamk., 



,, striata Lamk. 



\=cancellata Chem.], 

 \=cabritii Fischer], 

 ventricosa Lamk. 



VIIL — PaeteP admits fifteen species and two varieties : — 



Harpa articularis Lamk., 

 ,, cabritii Fischer, 

 ,, cancellata Chem., 

 ,, conoidalis Lamk., 

 „ costata L. 



\=imperialis Chem,], 

 „ craiata Swains., 



V. testudinalis Lamk., 

 „ gracilis Brod., 



Harpa gruneri Crosse, 

 „ major Mart., 

 ,, minor Rumph., 



V. crassa Phil., 

 ,, ?iobilis Rumph., 

 ,, rosea Lamk., 

 ,, striata Lamk., 

 ,, striatula A. Ad., 



ventricosa Lamk. 



IX. — Hidalgo- signaHzes the following from the Philippine and 

 Marianne Islands : — 



Harpa articularis Lamk., 

 ,, conoidalis Lamk., 

 ,, crassa Phil., - 

 ,, ligata Menke, 

 and adds the following as probably occurring 



Harpa minor Lamk., 

 ,, nobilis Lamk., 

 ,, ventricosa Lamk., 



Harpa cancellata Chem., 

 „ gracilis Brod., 



Harpa nablium Sowb. 

 striata Lamk. 



{costata (L.) being the chief absentee, besides, naturally, the West 

 American crejiata Swains.). 



Summary of the Foregoing Nine Tables. 



Admitted as species in nine : 

 Harpa minor Lamk., 

 ,, nobilis Lamk., 



Admitted as species in eight 

 Harpa articularis Lamk., 

 ,, conoidalis Lamk., 



Harpa ventricosa Lamk. 



Harpa gracilis Brod. and Sowb. 

 „ rosea Lamk. 



1 Cat. der Conchylien Sammlung von Fr. Paetel, Berlin, 18S7. 



2 J. G. Hidalgo, Cat. Moll. Test, de las Ins. Filipinas, Jold y Marianas, pp. 85, 

 Madrid, 1904, igo6. 



