648 MR. HARPER PEASE ON THE [ Dee. 9, 
Of Sec. 2 the most aberrant form is Partulina crassa, which inhabits 
the island of Lanai. 
Genus 6. Lam1Inexxa (Pfr.). 
Laminella, Pfr. Mal. Blatt. 1854, p. 126 ; Mon. Hel. Viv. 1859, 
vol. iv. p. 546. 
T. elongato-ovata vel turrita; plica talvegelions lamelleformi, 
torta, compressa; perist. simplici, recto; labro tenui aut sub- 
incrassato. 
Laminella gravida (Fér.). Laminella magna (C. B. Ad.)= 
picta (Migh.). “ baldwini”’ (Newe.). 
violacea (Newc.) = 
“ gigantea” (Newce.). 
straminea (Rve.).- 
Sete 2ef 
bella (Rve.) = remyt (Newc.). 
““polita’’ (Newc.). —— sanguinea (Newc.). 
—— concavospira (Pfr.). terebra (Newe.). 
concinna (Newc.). tetrao (Newe.). 
erecta (Pse.). venusta (Migh.) = 
fusoidea (Newc. ). “citrina’’ (Pfr.). 
mighelsiana (Pfr.). zebra (Newc.). 
Sec, 3. 
Laminella physa (Newe.). 
The typical species of this genus are peculiar in having their outer 
lip thin. We place provisionally under Sec. 2 a number of species 
which agree with the type in the character of the outer lip. They 
are of smaller size and generally more elongate in shape. 
I also add a peculiar species, inhabiting Hawaii, which Jak no 
distinct allies. 
Genus 7. FricKeLxa (Pfr.). 
Frickella, Mal. Blatt. 1855, p. 2; Mon. Hel. Viv. 1859, vol. iv. 
p. 569. 
Frickella amena (Pfr.). 
Genus 8. PerDIcELLa (Pse.). 
T’. dextrorsa vel sinistrorsa, bulimiformi, turrita vel elongato-co- 
nica, imperforata, tenuiter striata; plica columellari vix con- 
spicua vel nulla; perist. simplici ; labro tenui. 
Perdicella alexandri (Newc.). Perdicella sandwichensis (Pfr.). 
helena (Newe.). ornata (Newe.). 
minuscula (Pfr.). zebrina (Pfr.).. 
manoensis (Newe.). 
A group of prettily painted little shells, strictly bulimiform in all 
their characters. 
