268 THE AMERICAN MIDLAND NATURALIST 
with alternate brownish bands. It is striking to note such a close 
likeness of its shell to that of Uniomerus tetralasma with which 
it often accompanied in our muddy, sluggish creeks of North 
Missouri. Of course it can be distinguished from the latter by 
its very different umbonal sculpturing and by the absence of 
teeth. Mr. Bryant Walker very kindly identified this species 
and stated that the shells were more compressed than those from 
Oklahoma and Kansas and that he had practically the same shells 
in his collection from South-west Missouri under the names of 
Anodonta texasensis Lea, but, being a doubtful species, it may 
equal to Danielsii, or at any rate the latter has priority. Hence, 
we are placing A. texasensis in the synonomy of this species. Simp- 
son treats texasensis as very near Danielsi and, although he had 
only a young, broken shell from Lea’s collection for study, yet he 
is very doubtful about the validity of it as a species and thinks 
it may only be a mere variety of grandis after all. 
Anodonta Bealei Lea. 
(‘‘Beale’s Shell.’’) 
Not figured. 
1863—Anodonta bealei Lea, Pr. Ac. N. Sci. Phila., VII, p. 194; Jl: 
Ac. N. Sci. Phila., VI, 1866, p. 26, Pl. IX, fig. 25. 
The writer, not having seen this species, would infer from 
Lea’s figure that it is the same as A. Danielsii, or near. Through 
the kindness of Dr. Dall, curator of the Divison of Mollusks for 
the U. S. National Museum, report was made that Dr. John H. 
Britts, (deceased), a well-known conchologist of this state, collected 
shells of A. Bealei from the Grand River, Henry County, Missouri 
and sent them to the National Museum where they are now 
deposited under the numbers, 150,392 and 150,391. Simpson 
states the geographic distribution of this species from Texas to 
Kansas. 
Genus, Anodontoides Simpson. ; 
1898a—Anodontopsis Simpson (in Baker), Tr. St. Louis Ac. Sci., 
VIII, p. 76. 
1898b—A nodontoides Simpson (in Baker), Moll. Chicago, p. 72. 
ANIMAL CHARACTERS. 
“Animal with marsupium occupying the outer and sometimes 
the four leaves of the branchiae, ovules more numerous in the 
