204 Bulletin American Museum of Natural History. [Vol. XXXII, 



and a double series of adambulacral spines, I was satisfied that the La Jolla 

 specimens, which showed clearly the latter group of characters, were 

 forreri. Accordingly Dr. Jenning's paper was entitled "Behavior of the 

 Starfish, Asterias forreri de Loriol." Recently there has appeared the first 

 report of the Laguna Marine Laboratory of Pomona College. On page 89 

 "Coscinasterias sertulifera" is listed and Dr. Fisher is quoted as authority 

 for the statement: 'This is the species (under the name Asterias ferrcri] 

 upon which Prof. H. S. Jennings carried on a number of experiments at 

 La Jolla. It is a member of the southern fauna, the type locality being 

 Cape San Lucas. The true Coscinasterias ferrcri belongs to the northern 

 fauna and is not found along shore." (Of course, Dr. Fisher is not re- 

 sponsible for the misspelling of forreri). In correspondence Dr. Fisher has 

 confirmed this statement and says further that sertulifera may have a 

 double series of adambulacral spines. If this is so, I am puzzled to see 

 what essential difference there is between the two species. In the M. C. Z. 

 collection there is a large specimen of forreri from the type locality, Santa 

 Cruz, on Monterey Bay, California. There are also two specimens from 

 Monterey, identified and labelled by Dr. Fisher as forreri. Then there are 

 specimens from La Jolla and from Lower California, which I have called 

 forreri. On going over this material again and comparing it with the speci- 

 mens in the 'Albatross' collection now before me, I am unable to see what 

 the specific differences are. I have never seen an authentic specimen of 

 sertulifera but to judge from Xantus' description, it ought to be quite differ- 

 ent horn, forreri. It may be that specimens of forreri from deep water are 

 distinguishably different from the shore specimens, like those from La Jolla, 

 which I have called forreri. However, in view of the present confusion 

 existing in the American Pacific coast species of Asterias, I think it best to 

 present this case as I have and leave the matter with Dr. Fisher for ultimate 

 decision. 



San Francisquito Bay, east coast of Lower California. Fourteen 

 specimens. 



Brisinga panamensis. 



Ludwig, 1905. Mem. M. C. Z., Vol. 32, p. 258. 



All of the specimens are badly damaged and only one has any arms still 

 attached to the disk. They show considerable diversity in some details 

 but on the whole, it seems probable they all represent the Panamic species. 

 The largest has the disk 24 mm. across; in the smallest it is 11. Only the 

 largest specimen has 9 rays; all the others have 8. Among Ludwig's 

 specimens only one had 8; all the others had 9. 



