MOLLUSCA 275 
Species occurring in more than one Island. 
Tornatellina. One species, said to be found in Oahu, occurs in the Tonga 
Islands. Two species are common to Kauai and Oahu, one to Hawaii and Oahu, 
and one to Kauai, Oahu, and Hawaii. 
Stenogyridae. Opeas junceus is said to be found in all the Islands, and both this 
and O. prestont (Hawaii) occur elsewhere. One species is of uncertain habitat. 
Succinea. Two species in Oahu, Molokai, and Hawaii; one in Lanai, Oahu, and 
Maui; one in Kauai and Hawaii, one in Maui and Molokai. 
Limnaeidae. One species in ‘all the Islands’; one in Kauai and Oahu, one 
in Oahu and Maui; three of uncertain habitat. 
Melania. One common to Kauai, Oahu, Maui, and Molokai; one to Kauai 
and Oahu ; one to Kauai and Molokai; one of uncertain habitat. 
Helicina. One common to Kauai, Oahu, Lanai, and Molokai; one to Maui 
and Lanai. 
Neritina. One common to Maui, Oahu, and Hawaii; two of uncertain habitat. 
Two said to be found in ‘all the Islands.’ 
These three tables show that Kauai has 50 species peculiar to it, Oahu 175, 
Molokai 44, Lanai 25, Maui 64, Hawaii 37. 
§ 2. Systematic account of the fauna. 
Fam. LIMACIDAE. 
Amalia Moquin-Tandon. 
Amalia M.-T. Hist. Moll. France, 1855, . p. 19 [first species Limax gagates, 
Drap. |. 
Milax Gray, Cat. Pulm, Brit. Mus. 1855, p. 174 [has the same type; there are, 
also, older names supposed to be identical, but founded on erroneous characters or 
improperly described ]. 
While dealing with slugs it may be convenient to note that Semper has recorded a 
species stated to be very near Limax tenellus Nilsson; further Dr Cooper is said to 
have seen a species of /aze//a from these islands, but I have been unable to trace his 
note from the reference given (see Collinge, P. Malac. Soc. London, 1. p. 50). 
(1) Amaha babori Collinge. 
Amalia babori Collinge, P. Malac. Soc. London, 1. (1897), p. 294. 
Has. Maui, at 5000 ft., Haleakala——Hawaii, 2000 to 4000 ft., Olaa to Kilauea 
(Perkins). 
