108 
irregular on the body-whorl, crossed by five revolving lines that 
become fainter on the last whorl, suture well impressed; aperture 
rounded, broader than high, greatly indented above; lip simple, 
very little reflected below at its junction with the columella, very 
sinuous above, its terminations joined by a_ very thin callus. 
Height 3-8ths inch, breadth 1 inch.’’—Hemphill. 
Type locality:—Astoria, Oregon. 
——— 
1501 Hemphill Henry: 
New forms of western Limniades. Nautilus 4: 25-27. 
Describes numbers 1502-1504. 
1502 Limneza (Leptolimnea) Pilsbryi Hemphill. 
“Shell elongated, narrow, somewhat solid, smooth, of a light 
horn-color; consisting of about 6 roundly-shouldered whorls, the 
last flattened on its sides and occupying a little more than half the 
length of the shell; lines of growth very delicate, suture deep; 
aperture oval, longer than wide, outer lip acute; inner lip subre- 
flexed. Length 3-8ths, breadth 1-8th of an inch.’’—Hemphill. 
Type locality:—Fish Spring, Nevada. 
1503 Limnea stagnalis occidentalis 
“Shell large, globose, very thin and fragile; of a light horn- 
color; whorls 5, the last rapidly increasing in size and constitut- 
ing about % the entire length of the shell and generally covered 
with revolving malleations separated by obtuse, irregular lines 
more or less conspicuous; lines of growth somewhat irregular and 
conspicuous; spire short, sharp and acute, consisting of 3 
obliquely twisted whorls and the nucleus; suture well impressed; 
aperture globosely oval, longer than wide; outer lip thin, sharp, 
acute, subreflexed near its junction with the columella; inner lip 
sinuous and well defined, columellar strongly twisted. Length 
of the largest specimen 1%ths inch, breadth 1 inch.’’—Hemphill. 
Type locality:—-Lake Whatcom, Whatcom Co., Wash. 
1504 Physa ampullacea columbiana 
“Shell globose or moderately elongated, shining, solid; of a 
dark horn, or chestnut color; whorls 4, the last occupying about 
% entire length of the shell; suture well defined and generally 
marked by a fine yellowish line; spire short, obtuse; aperture long 
and moderately wide; outer lip simple, thickened internally with 
a dark chestnut deposit that shows on the outside as a yellowish 
band; columella lip somewhat sinuous, and well folded on the 
body whorl. Length of an elongated specimen 5-8ths, breadth 
5-16ths of an inch. Length of a globose specimen %, breadth 
5-16ths of an inch.’’—Hemphill. 
Type locality—-Columbia river, Astoria, Oregon. 
Tryon considered this a variety of Physella globosa Hald. ac- 
cording to Hemphill, who considers it instead as a miniature form 
of P. ampullacea, which he collected in the Owens river valley 
and on the upper Colombia. 
1505 Helix (Arionta) carpenterii Newcomb 
Roundly conical; apex obtuse; whorls 5%, convex, strongly 
striated, with numerous fine spiral lines; suture well impressed; 
aperture circular, margins approaching; lip a little expanded; 
umbilicus open. Brownish, with an obscure dark band. Diam. 
23, height 16.5 mm. 
Tulare Valley, Cal. (type locality?). 
