386 THE AMERICAN NATURALIST. [VoOL. XXXV. 
Professor Nutting has recorded the following species of which I have 
no data, and which therefore are merely noted. 
C. minuta ; C. Edwardsii Nutting ; C. calceolifera. 
Gonothyrza Allman. 
1, G. fovént Allman (Fic. 22). 
Trophosome: Stems erect, somewhat flexuous, irregularly branched, and 
with annulations above each branch. Hydrothecz deeply bell-shaped and 
I, with toothed margins, borne on_ short 
S Y annulated pedicels. 
ie Gonosome : Gonangia borne on short 
XE\~ annulated pedicels, axillary, broadly ob- 
‘i conical in outline. 
i a Habitat: On fucus and other alge, 
Ae, \ x rocks, etc. Cold Spring Harbor, Woods 
NN (aa: Y Holl, etc. 
iN \ ly 2, G. hyalina Hincks. 
ies SW Yy- Trophosome: Colony elongate, clustered, 
¢, 
S 
= 
yes 
profusely branched, with flexuous stems 
Re \ giving off branches at each bend, 
Mn 
y, 
“Branches erect, very tender and hyaline, 
> 
cs 
5 
= 
sometimes of great length and much rami- 
fied.” Hydrothecz elongate, of delicate 
texture, with numerous marginal teeth and 
SS 
y 
WE 
y 
oo 
AN 
ie 
4) 
borne on annulated pedicels. 
CH 
{) *< 
Gonosome: Gonangia oval, axillary, 
ES 
Q 
borne on annulated pedicels. 
Habitat : On various hydroids, Tubula- 
ria, Halecium, etc. (Hincks). 
wu 
j 3, G. tenuis Clark. 
Fic. 22. — Gonothyrea lovent Allman. Noted from Nutting’s list. 
(After Hincks.) = 
LAFCID. 
This family has been variously modified of late and by some replaced 
entirely. In the present synopsis I have chosen to follow in general the 
classification of Hincks, though recognizing its doubtful reliability in some 
respects. 
Lafcea Lamx. 
Stems simple or fascicled, attached by filiform hydrorhiza. Hydrothece 
tubular, with or without operculum. Gonangia oblong, often forming 
encrusting masses about the stem. 
