AUN OF ON, 
PiaTeE XXV. 
Species 96. (Fig. a, 6, Mus. Schrenk.) 
ANODON MAGNIFICUS. An. testd magna, inflata, alata 
latissimd, tenui, subviridi, pallide radiata, levigatd, 
intus salmoned ; latere antico brevissimo, suban- 
gustato, alato, latere postico expanso 
lato, margine dorsali alato, elevato acuminato, 
lateraliter depresso, medio obliqué valde inflato ven- 
tricoso ; umbonibus rotundis. 
THE MAGNIFICENT ANopon. Shell large, inflated, winged 
very wide, thin, rather green, faintly radiated, 
smooth, salmon-coloured within, anterior side very 
short, rather narrow, winged, cuneated, posterior 
cuneato ; 
side expanded wide, dorsal margin winged, raised 
acuminated, laterally depressed, obliquely strongly 
inflated, ventricose; umboes rounded. 
Lea, Obs. on Unio, vol. iii. pl. 20, f. 45. 
Hab, China. India. 
The shell originally figured by Lea is small and 
young ; which accounts for the want of inflation. The 
shell erroneously figured in Con. Icon. as Unio mag- 
nificus has long laminar teeth. 

Species 97. (Mus. Walton.) 
Anopon GLasrus. An. testd subtrigond, subcompressd, 
tenut, subangulatd, viridi, concentricé fasciatd ; 
latere postico lato, subexpanso, subalato, obtuse 
angulato, post angulum viridi, ante angulum 
olivaceo, medio subcomplanato, umbonibus undatis, 
compressis ; latere antico brevi, angusto, rotundo ; 
intis colore versus umbones salmmoneo, versus mar- 
gines ceruleo. 

Tue GLaBrous ANnopon. Shell subtrigonal, subcom- 
pressed, thin, subangular, concentrically banded 
with green, posterior side wide, subexpanded, 
subulated, obtusely angular, green behind and 
olive before the angle, middle rather flattened ; 
umboes undulated, compressed ; 
short, narrow, rounded; 
towards the umboes and blue towards the margins. 
VALENCIENNES. 2 
Hab. Mexico, 
Remarkably smooth and thin, prettily banded with 
green. 
anterior side 
colour within salmon 


Species 98. ( Mus. Walton.) 
ANopon TRICcosTaTUS. An. testd ovatd, tenut, compressd, 
obscuré olivaced, viridi nigrescenti radiata, intus 
prope umbones salmoned, prope margines ceruld ; 
latere postico oblongo, obscuré tricostato, margine 
dorsali depresso, recto, laterali obliquo, terminali 
triangulato, ventrali subinflato ; medio inflato, 
umbonibus compressis, undato-plicatis fuscis. 
Shell ovate, thin, compressed, dull olive, rayed with 
blackish green, near the umboes salmon within, 
near the margins blue; posterior side oblong, 
obscurely three-ribbed; dorsal margin depressed, 
straight, lateral oblique, terminal triangular, ven- 
tral subinflated; middle inflated, umboes com- 
pressed, with wavy plaits, brown. 
SowErsy. 
Hab, China. 
The three obtuse ribs on the posterior side of this 
shell give it a character peculiarly its own. 
June, 1870. 
