274 Scientific Intelligence. 
naked ; under surface also hairy, but much less so than upper ; no tail; 
tibia and fibula included within the membranes ; four slender toes, com- 
pressed, of nearly equal length, the outer one being a little shorter than 
the others; they are sparsely furnished with thin hairs, varying in 
length; the terminal phalanx of each is provided with a robust, sharp 
and incurvated nail. “The index finger like the thumb is also furnished 
with a short and incurvyated nail. 
Measurements. “Piatra ' Inches, 
Total length, ‘ ‘ . ‘ ‘ ‘ ee “! 
Length of head, , 1} 
_ Distance between ce ca margin of ante me sialon can- 
thus of eye, . Bas 
SEauce between angle of pee | and: siitasion oi of. pee, z- 
Length of neck, body and be ‘ , : 3 
Length Of, forearms. me! 5 ie, OE soleaae 5 
Length of tibia, . ‘ : ay ee es cise as es 
45; « ae . ra Pee ° eT ‘ 144 “a# . 
Length of thumb, Fae ES RR EES aE aor oe bE: 
“Dental Formula, ae ae 
Incisors. ~ Canines. False Molars. “ Molars. ; 
99 Br te age regs a 4 
Q-2 pega Q2 Pe: 
This species I ee named after my pat friend, S. a i: 
man, Esq., author of the N. American Limniades, who obtained it with 
other African animals from Dr. ee piper to the seanienay 
Colonization Socieiy. i 
3. Description of Unio ecwlies; a new species ; byt 8. Hat 
DEMAN, (Proceed. Acad. Nat. Sci., Philad., iii, 75, June, 1846. )_—Shel 
subovate, obtusely and regularly shaded posteriorly, disks approxi- 
mate, chesnut brown and pale green, with green radiating interrupted. 
capillary lines, and a tendency to form a submedial nodulous ridge: 
primary teeth robust, their inner margin nearly at right angles with the’ 
short lamellar teeth: pallial and muscular impressions well maine 
_hacre white, roseate posteriorly. . : ve 
- Length 23, height 2, diameter 14 inches... me 
_ Allied to U. dromas, Lea, and U. intermedius, . Séaiite buti is saat 
portionally longer than either. In its outline and small transverse di- 
ameter it resembles U. abacus. Iam indebted for this interesting shell 
to the liberality of Dr. Foreman, who received it from Eastern Ten- 
eee epee ; ? oH eee 
5 iy De: = L Tr po 
i wr vigot aca sales — 
i, EE eM Pe Ee Ng, See en 
nt onda . rr F easel ck 
