24 THE NAUTILUS. 



Pfeffer (Fla.), Onchidium floridanum Dall (Fla.), Liviax HeynphilU 

 W. G. B. (Cal.), Avion foliolatus Gould (a species of Prophysaon), 

 Prophysaon cceruleum, fasciatum, Pacificism, flavtim and humile of 

 Cockerel!, Polygyra Roperi Pilsbry (Cal.), Patula strigosa vars. sub- 

 carinata, jugalis and Buttoni Hemphill, Zonites selenitoides Pilsbry, 

 Z. Simpsoni Pilsbry, Pupa calamitosa Pilsbry, Helix tudicvlata var. 

 Binneyi Hemphill, Helicodiscus fimbriatus var. Salmonensis Hemp- 

 hill (Idaho & Oakland, Cal.). The discussion of the Helix major- 

 alholahris-andrewsi group, and of the western slugs of the genera 

 Hempthillia and PropjJiysaon are of great interest. The contribution 

 to the literature of our slugs is particularly timely and valuable. 

 Mr. Binney considers Bulimulus Hemphilli Wright a synonym of jB. 

 Floridianus Pfeiifer. The plates, 10 in number, are admirably 

 drawn and printed ; six of them illustrating slugs. The original 

 drawings are by Binney, A. F. Gray, T. D. A. Cockerell and A. H, 

 Baldwin. There are also numerous wood-cuts in the text. Whilst 

 we would perhaps take exceptions to certain minor details of Mr. 

 Binney's classification, the work as a whole, is certainly very credit- 

 able to the distino-uished author. — H. A. P. 



GENERAL NOTES. 



Helix hortensis in Nantucket. Dr. Harrison Allen of Phila- 

 delphia, whose summer home is at the picturesque little village of 

 Siasconset, on the island of Nantucket, has jiresented me Avith four 

 specimens of H. hortensis taken there by him ; — the only ones he has 

 seen. This is the most southerly locality for this species yet known. 

 I am not inclined to believe it a native American, as Mr. Cockerell 

 thinks, but would rather regard it as an immigrant, who has come over, 

 like the rest of us, in comparatively recent times, and is gradually 

 extending its range. Two of the specimens are yellow, one with 4, 

 the other Avith 5 brown bands ; one shell is uniform yellow (form 

 lideaMoq.) ; one is yellow with 5 translucent, almost colorless bands, 

 the lower two very wide, almost coalescent. — H. A. Pilsbry. 



Species determined. From E. W. Roper, Revere, Mass. 



1, Nerita fulgurans Gmel, 2, Perna ephippium Lam. 3, Colum- 

 bella nitida Lam. 4, Conus mus Hwass. 6, Litorina ziczac 

 Dillw. 7, Cerithium minimum Gmel. 8, jVlodulus Floridanus 

 Conr. 9, Ricinula nodulosa Ad. 10, Purpura deltoidea Lam. 

 Locality, Vera Cruz. Mex. — H. A. P. 



