298 General Notes. [March, 
MALVACEZ.— Gossypium herbaceum., (Cotton.) 
All died after feeding slightly. 
VITACEÆ.— Vitis labrusca. (Grape.) 
All died without feeding. 
LEGUMINOSA.—Pisum sativum. (Garden pea. 
Of five larvæ all fed abundantly ; transformed and issued as moths. 
LecuMiInos#.— Phaseolus vulgaris, (Garden bean.) 
All died without touching the leaves. 
ROSACEÆ.— Fragaria virginiensis. (Strawberry.) 
r larvæ experimented on all fed for from seven to ten days and thes 
died without transforming. 
ROSACEÆ.—Rubus strigosus. (Raspberry.) 
Of eight larva all fed well and all transformed to pupa; only four, hower® 
issuing as moths. 
UMBELLIFER#.— Daucus carota. (Carrots.) died 
The four larvæ begun feeding on the second day ; all transformed; two 
in the pupa state and the other two issued as moths. 
UMBELLIFERÆ.— Pastinaca sativa, (Parsnip.) and th 
Of four larvæ one died before transforming, one in the pupa state, 
other two issued as moths. | 
COMPOSITÆ.— Lactuca sativa. (Garden lettuce.) 
rvæ one was destroyed by the others before they co 
the others all fed to full growth, transformed and issued as mo 
CHENOPODIACEÆ.— Beta vulgaris. (Garden beet.) ii 
Ate ied after six days; the 
f four larve, after feeding slightly, three et and issued as an 
mmenced to etti 
ths. 
one fed more extensively, transformed to pup: 
healthy moth. 
LILIACER.—Allium sativum. (On 
All fed; two died as larve, 
sued as moths. 
CONIFER A.—Abies canadensis. (Hemlock.) 
l died without feeding. 
ion.) pe “i 
and the other two completed the round 
i. 
SALIVARY AND OLFACTORY ORGANS OF Bess—P. Oe ographi@ : 
this elaborate paper commences with the ordinary he 
and discusses their developmental history an tion, w 
He points out that all glands have to supply 4 par the ric 
the more the separate cells take a larger share NB") Jn pets 
the secretion from a smaller number of secreting “this is efoti 
there are two essentially different modes by which S as the i 
and the two types may be appropriately spoken = of the 2 | 
cellular, and the intercellular. In the simplest se 
we find a sac lined by a simple layer of cells, a the comt 
each cell presents a proportionately broad surface the PP 
cavity ; the material is obtained from the blood ee diminish 
ends of the cells. If the sac elongates, its dianc the 
and we get the tubular form. In these two “SY yee ore 
are widest in a direction parallel to the lumen of nate dito ; 
If the cells become spheroidal, there is a proportio petweet 
in the secreting surface, and efferent canals oe 
