626 
ZOOLOGICAL LITERATURE. 
many Terebella-Y^iVWdd are true Nototrocliae, others are quite de- 
stitute of ciliary rows; many larvae of Eunicidae are genuine 
Polytrochae, while others would be Atrochae in the sense in whicli 
Miiiler used this term. It will be remembered that in many of 
the species only portions of their development were observed. 
Costa, A. Di un nuovo genere di Chetognati, and Di un genere 
di Siponculidei. Annuario del Mus. Zool. della R. Univ. di 
Napoli, Anno v. 1865. Napoli, 1869, pp. 54-57, tav. 3. 
Grube, E. Beschreibungen neuer oder weniger bekannter von 
Hrn. Ehrenberg gesammelter Anneliden des Itothen Meeres. 
Monatsber. Ak. Wiss. Berlin, 1869, pp. 484-521. 
Krohn, a. Ueber eine lebendiggeb’arende Syllis-Kxi. Archiv f. 
Naturg. XXXV. 1. Bd. pp. 197-200. 
Lankester, E. Ray. A contribution to the knowledge of tlie 
lower Annelids. Trans. Linn. Soc. vol. xxvi. part 3, 1869, 
pp. 631-646, tab. 48, 49. 
Contains : — I. On the anatomy and fissiparous reproduction of 
the asexual Chcetogaster limnmy v. Bar; II. Remarks on Chceto- 
y aster niveus, Ehr. ; III. On j^^olosoma quaternarium^ Ehr., and 
its young form ; and IV. Relations of Chcetogaster and JEolosoma 
to other low Annelida. 
. The sexual form of Chcetog aster limnm. Quart. Journ. 
Mic. Science, 1869, pp. 272-285, plates 14 & 15. 
. On the existence of distinct larval and sexual forms in 
gemmiparous Oligochsetous Worms. Ann. & Mag. Nat. 
Hist. ser. 4, vol. iv. Aug. 1869, pp. 102-104. 
Leidy, Joseph. Notice of some American Lceclies. Proc. 
Acad. Nat. Sciences Phil. 1868, pp. 299, 230. 
The author describes a new species, and gives in detail the 
characters of the Medicinal Leech of America. 
MTntosh, W. C. On the early stages in the development of 
Phyllodoce maculata^ Johns. Ann. & Mag. Nat, Hist, 
ser. 4, vol. iv. Aug. 1869, pp. 104-108, pi. 6. 
. On some new British Annelids. Trans. Roy. Soc. Edin. 
vol. XXV. pp. 305-433, plates 4 to 16. 
The first portion of this paper treats of the anatomy of the 
Nemertean worms. Vide under Scolecida. 
Malmgren, A. J. Ueber die Gattung Heteronereis (OErst.) und 
ihr Verhaltniss zu den Gattungen Nereis (Gr.) und Nerei- 
lepas (Gr.). Zeitschr. f. wissensch. Zoologie, xix. 1869, 
pp. 476-478, and in Archiv f. Naturg. xxxv. pp'. 58-61. 
Panceri, P. Altre larvedi Alciopide Rcndi- 
