Phylum. 
Porifera. 
Annelida. 
(3 
Echinodermata. 
ce 
Mollusca. 
Protochordata. 
TABLE I. 
Species. 
. Marine sponge (?) 
. Earthworm (Helo- 
drilus caligino- 
sus). 
. Leech (Dina sp. ?). 
. Starfish (Asterias 
ochracea).* 
. Starfish (Asterias 
forbest). 
. Sea urchin (Stron- 
gylocentrotus 
drebachiensis). 
. Black leather chit- 
on (Katharina 
tunicata).* 
8. Giant chiton (Cryp- 
10. 
20. 
. Mussel 
. Snail 
tochiton stel- 
leri).* 
. Mussel (Unio gib- 
bosus). 
Mussel (Lamp- 
silis luteola). 
(Alasmi- 
donta margi- 
nata). 
(Planorbis 
trivolvis). 
. Snail (Physa gy- 
rina). 
. Crab (Hemigrap- 
sus nudus).* 
. Crab (Cancer pro- 
ductus).* 
. Mud crayfish (U po- 
gebia sp. ?).* 
. Shrimp (Pandalus 
SD Taee 
. Fresh water cray- 
fish (Cambarus 
virilis). 
. Grasshopper (Me- 
lanoplus differ- 
entialis). 
Sea squirt. (Cyn- 
iAa sp. 2s 
Inulin. 
Raffin- 
ee Sucrose.| Starch. 
+ 
++4|+4++ 
++4)+4++ 
“4. 
+(?) | ++ | ++ 
as 
++4]4+++ 
aan 
ae 
++ 
Bae 
a 
++ |++4|44++ 
++4]++4])+4++|/+++ 
a 
* The experiments with these species were carried out during the sum- 
mer of 1916 at the Puget Sound Station, Friday Harbor, Washington. 
Thymol was used as a preservative in these experiments instead of toluene. 
164 
