XVIII. — Additions to the Turbellaria, Nemertina, and 

 Annelida of the Bermudas, with Revisions of some New 

 England Genera and Species. By A, E. Verrill. 



Very little has hitherto been published concerning the Turbellaria 

 and Neraertina of the Berraudian fauna.* Both these groups seem 

 to be sparingly represented there, though some of the species are of 

 special interest. 



Particular efforts were made by our party to make good collec- 

 tions of these groups and of the Annelida. Yet of the two former 

 groups we found only three planarians and four or five nemerteans. 

 The nemerteans were all of rather small size and inconspicuous 

 coloration, contrary to what is usually the case in the warmer seas. 



TURBELLARIA; DENDROCCELA. 

 Leptoplana lactoalba, sp. nov. 



Body, when extended in life, long-lanceolate or narrow-oblong, 

 very flat, with thin undulated edges. Ocelli rather numerous, 



Figure 9. — LeptopJana lactoalba. 



arranged in two parallel series, each series having a rounded cluster 

 near the posterior end and about two separated larger ocelli in line 

 behind each cluster. 



Color, translucent niilk-wiiite. 



Length, in life, 30-50™'" ; width, 10-12"'°. 



Under stones and corals on the reefs, 1898. 



Similar to Leptoplana pallida of the Gulf of Naples. 



* A small terrestrial nemertean {Tetrastemma agrieola W. Suhm) was dis- 

 covered at Bermuda, by the naturalists of the Challenger. It occurs in brackish 

 moist localities under stones, etc. (See Mosley, Notes by a Naturalist, p. 26.) 



