l 922 ] Essenberg: Stylarioides PapUlosa 38] 



Stylarioides papillosa has some resemblance to S. plumosa Chiaje 

 (1828-1829) and to S. fiabellata (Mcintosh, 1915). It differs from 

 both in various essential characteristics. 



Its failure to be found in the many annelid collections from the 

 Pacific Coast may be due to its remarkable adaptations and its pro- 

 tective coloring. Unless one makes a special effort to find it by pulling 

 up the sea weeds under whose roots the animal lives, this polychaete 

 would probably not be discovered. 



LITERATURE CITED 



Chiaje, S. delle. 



1828-1829. Memoria sulla storia e notomia degli animali senza vertebre del 

 Regno di Napoli. Deserizione degli animali invertebrati della 

 Sicilia citeriore, 3 (1828), 75; 4 (1829), 17S. 



MCINTOSH, W. C. 



1915. A monograph of the British marine annelids (London, Ray Society), 

 3, viii + 368, pis. 88-111. 



