366 M. C. Lea on Methylamine. 
GoNIATITES PYGMADS, Nn. Sp. ° 
Shell very small, globose, closely involute, with a minute, 
perforated umbilicus. Whorls divided into quadrants by aper- 
tural constrictions. Dorsum regularly rounded, sides convex. 
Septa moderately angulated; dorsal lobe relatively broad, ob- 
tusely rounded, with indications of a slight indentation at the 
apex; lateral lobe shallow, acute, infundibuliform; dorsal a 
lateral saddles broad, shallow, circularly curved. Surface (0 
cast) perfectly smooth. : a 
_ A sole specimen, which seems to embrace a portion of t 
last chamber is 25 in diameter; height of section ‘13; trans 
Hipiety. 'S Godhed tt be Batis Oreck | 
cality. Supposed to be Battle Creek. “ 
- This satiation little species externally resembles @. planilo- 
bus Sandb. (Verstein., Taf. x, 6, 7), but the septa are more ane 
lated. It differs from G. striolatus Phillips (Geol. Yorks. 1 P 
xix, figs. 14-19), by a much smaller umbilicus, larger d +4 
lobe and saddle, and much smaller inferior lateral lobe, and ( 
the cast) by the abserice of striz. ; : 
University of Michigan, Ann Arbor, Jan, 30, 1862. . 
a 
Art. XXXVI—0On Methylamine; by M. Canny LBs. 
(1.) Production and Separation of Methylamine. 
: : igs in 
__IN a previous paper I have pointed out that ammonias : 
which hydrogen is replaced by methyl are obtained ya vi 
action of nitrate of methyl upon ammonia at ordinary tempe 
conducted into water. 4. 
is Solution we should by analogy expect to find amm 
ot This Journal, March, 1862. iki 
