214 Scientific Intelligence. 
Oynthia monoceros (MOll. sp.) =@. condylomata Pack. 
C. echinata (Linn. sp.) =C. echinata, + C. hirsuta Ag. (young). 
Ciona tenella V., 1. c. =Ascidia tenella Stimp. +A. ocellata Ag. 
Ascidiopsis complanatus, gen. noy. (Fab. sp.) Plate viii, fig. 8, 
part of gill, =Ascidia callosa Stimp. 
[To be continued.) 
SCIENTIFIC INTELLIGENCE. 
I CHEMISTRY AND PuHysIcs. 
ing liquid, in suc manner that the vapors. which 
subsequently rise shall pass through the condensed liquid, and 
thus be in a measure washed. The apparatus employed consists 
es ° s of the gauze are about 0°75 of a squat 
millimeter, and the caps are easily formed by stamping in a press 
or mo of hard wood. The tubes and wire caps are easily 
author gives a number of new determinations of the boiling ae 
antl 
