16 Dr. M. Braun: Bericht über die wissenschaftlichen Leistungen 



ments, with superior lingula (cirrus) situated dorsally, and with several 

 rows of simple setae, which arise in front of a lateral plate , which 

 varies in form from segment to segment. Middle region coraposed of 

 few Segments; the ventral rami of this region are elongate, cylindrical, 

 fumished with an external, lateral membrane; the posterior region is 

 composed of numerous segments and differs from the middle region 

 only in the absence of the lateral membrane from the ventral rami; 

 anal cirri, two" — 

 mit typicus n. sp., Scolecolepis cirrata M., Spionides n. gen. Spionidarum 



„Much like Scolecolepis, but distingnished from it by the possession 

 of lateral pouches between the ventral rami, beginning near the anterior 

 end, and continued to the posterior third" — 

 mit cirratus n. sp., Spio filicornis Fabr., S. Rathbuni W. et B., Streblospio Bene- 

 dicti W., Prionospio Steenstrupi M., Polydora ciliata Ag., P. gracilis V., Dipo- 

 lydora concharum Y., Scoloplos armiger Oe., Naidonereis quadricuspida M., Ari- 

 cidea quadrilobata n. sp., A. ISolani n. sp.; Cirratulus cin'atus M., Dodecaceria 

 concharum Oe., Chaetozone setosa M., Tharyx n. gen. Cirratulidarum : 



„Head and first two segments without appendages; one pair of 

 tentacular cirri; next segment with dorsal cirri, but without setae; all 

 other segments (normally) with dorsal cirri; setae capillary" — 

 mit acutus und similis n. n. sp. sp. ; Cossura n. gen. Cirratulidarum: 



„Head and first two segments without appendages; fourth segment 

 with Single median cirrus; no lateral cirri (branchiae). Capillary setae 

 dorsal and ventral from the third segment; anal segment with three 

 anal cirri" — 

 mit longocirrata n. sp.; Ledon n. gen. Cirratulidarum: 



„Head with antennae projecting from the anterior margin ; branchiae 



beginning on the buccal segment, limited to the anterior segments, 



second segment with a pair of short cirri in addition to the branchiae; 



ventral setae Compound, found first on the third segment ; dorsal setae 



capillary, appearing first on the fouth segment'' — 



mit sesoculata n. sp.; Capitella capitata v. Ben., Notomastus capillaris Verr., 



Rhodine Loveni M., Nicomache lumbricalis M., Praxillella zonalis V., P. praeter- 



missa V. ; Clymenella torquata V., Owenia assimilis Sars, Myriochele Heeri M., 



Cistenides granulata M., Ampharete cirrata n. sp., A. trilobata n. sp., Sabellides 



octocirrata S., Melinna cristata M., Amphitrite brunnea V., A. cirrata Müll., 



Nicolea zostericola M.., Scione lobata M., Thelepus cincinnatus M., Ereutho 



Smitti M., Polycirnxs? phosphoreus V., Artacama proboscidea M., Trichobrancbus 



glacialis M., Terebellides Stroemi S., Sabella spitzbergensis M., Potamilla reni- 



formis M., Othonia Fabricii Johnst., Myxicola Steenstrupi Pr. und Filigrana im- 



plexa Berkl. 



{Annelida chaetopoda from Eastport, Maine-Un. St. comm. of 

 fish and fislier. p. XIII. report of the comm. for 1885. Washingt. 



1887 2)9- 707—755. 8 pl.) 



Chaetopterus pergamentaceus Cuv. an der Mündung des Manatee-Flusses, 

 Florida (Leidy: Chaetopterus from Florida — Proc. Acad. nat.sdenc. Philadelphia 



1888 pg. 73—74). 



