282 . Scientific Intelligence. 
portion of these mollusks is keenly sensitive to light, but exactly 
what organs are thus sensitive has not been ascertained. 
Towa City, Iowa, Dec. 21, 1868, 
tA hei? Remarks on Haleyonoid Polyps. No. 3, by A. E. 
11t.—In the February number of the Annals and Magazine 
of Natiral History, p. 117, Dr. J. E. Gray - Sheng te “Notes 
on the Fleshy Alcyonoid Corals, ” in which s made a new ar- 
rangement of the group, which he divides tito 12 families and 31 
enera! Most of the new genera and many of the families are 
founded mainly on variations in the form, mode of branching, 
alcohol. On this account we believe that man y of the groups 
founded on such characters cannot be maintained, when the speck 
mens are themselves carefully. studied with reference to their i 
ternal structure. 
At the present time, however, we propose merely to point, out 
some Vase vs the author, mainly i in reference to species described 
fakatieatta is proposed for a group having as its type Sympodi- 
os coralloides Ehr., the same species taken by Kolliker as the type 
3 ; 
jmpodium verum D, and M., which he refers to it, does not 
agree wi with the generic characters» sakeh for in the original descrip- 
tion we find “ calycibus semper prominulis.” It may ‘belong to our 
Callipodium ec if *e eee rine the name ©. verwm, whi ch, at 
appro 
podiu ium Pacific aa v Chodasuity quoted as “S. porifer 
um v is the type of our genus Callipodium (Trans. Cont. 
Acad., an., 1868). 
Ojeda, adopted from D, and M., is, as we are informed by Dr. 
Kolliker, a sponge. 
Lobularia i is adopted from Lamarck for the most numerous 
ge eB of § Tebatri rt referred to Aleyonium, with ZL. digitata 
es smo sera coat,” and division B, includin Babee 
ay, beg Site y covered b polyps “to the edge of the crust 
oF the base of of the stem.” B af A Al re carneum Ag. me 
ot the rm at both of which he refers to Lobularia, have a “i 
spec ens. Th Be soe eve in some states of ex aN 
Gray's 8 genus Aleyonium, as restricted - ; in other ane with 
nella ; and requ with Amocella, ‘All these and many en : 
forms of growth and modes of branching were noticed by ® 
suai “while studying several hundred living spe?” 
