3 Verm. 
Titles. 
12001800 
I. TITLES. 
Alfieri, Francesco. La Anguillula 
intestinalis della Rana. Torino Giorn. 
Acc. mod. Anno 71 1908 (272-273). 1 
Alfieri, Francesco. Intorno alia 
genesi della Anguillula intestinalis 
della Rana. Torino Giorn. Acc. med. 
Anno 71 1908 (265-267). 2 
Apstein, C. Chaetognatha. In : 
R6sum6 des observations sur le Plank- 
ton des Mers explorees par le Conseil 
pendant les annces 1902-1908. Copen - 
hague Bull, explor. mer. 1911 pt. ii (170— 
175). 3 
Ariola, V. Polielmintiasi umana 
da Plerocercoide ( Plerocercoides pro- 
lifer). Clinica med. Milano 1906 
(1-6). i 
Arwidsson, Ivar. On some Irish 
Maldanidae. Dublin Proc. R. Irish 
Acad. 29 B- No. 6 1911 (209-228) 
pis. xvii-xix. 5 
Arwidsson, Ivar. Die Maldaniden. 
Wissenschaftl. Ergebnisse der Schwed. 
Siidpolar-Exped. 1901-1903 6 Lief. 6 
Stockholm 1911 (1-44) 2 pis. 6 
Ascoli, G. Zur Neurologie der 
Hirudineen. Zool. Jahrb. Jena Abt. f. 
Anat. 81 1911 (473-490) Taf. xx-xxiii. 
7 
Ashburn, P. M. and Craig, Charles F. 
A new blood Filaria of man : Filar ia 
philippinensis. Amer. J. Med. Sci. 
Philadelphia 132 1906 (435-443). 8 
Ashworth, James Hartley. The 
Annelids of the family Arenicolidae 
of North and South America, including 
an account of Arenicola glacialis 
Murdoch. Washington D.C. Smith- 
sonian Isnt. Proc. U. S. Nation. Mus. 
39 (No. 1772) 1910 (1-32). 9 
Ashworth, J. H. An account of 
Arenicola loveni Kinberg. Ark. Zool. 
Stockholm 7 No. 5 1911 (1-19) 1 pi. 10 
(n-9186 o) 
Ashworth, J. H. The Arenicolidae 
of South Africa, including an acoount 
of Arenicola loveni Kinb. Cape Town 
Ann. S. Afric. Mus. 11 1911 (1-27) 
pi. i., 11 
de Baillon, P. Cappe. Etude sur 
les fibres musculaires d ' Ascaris. i. 
Fibres parietales. La Cellule Louvain 
27 1911 (163-211). 12 
Barker, Franklin D. and Laughlin 
Joseph W. A new species of Trematode 
from the muskrat, Fiber zibethicus. 
Trans. Amer. Microso. Soc. Decatur 
111. 30 1911 (261-274) 1 pi. 13 
Beauchamp, P. de. Analyse de 
recents travaux sur les Rotiferes et 
Gastrotriches, aveo les diagnoses de 
toutes les esp&ces nouvelles. Ann. 
biol. lacustre Bruxelles 4 1911 (399- 
412). 14 
Beauchamp, P. de. Reponse a 
M. Cosmovici. Paris Bui. soc. zool. 
36 1911 (26-28). 15 
Beauchamp, P. de. Remarques sur 
l’histologie des Rotiferes k propos d’un 
travail recent. Zool. Anz. Leipzig 
37 1911 (289-293). 16 
Beddard, F. E. On the spermato- 
pliores in earthworms of the genus 
Pheretima (= Perichceta). London 
Proc. Zool. Soc. 1911 (412-420). 17 
Beddard, F. E. Contributions to 
the anatomy and systematic arrange- 
ment of the Cestoidea. — I. On some 
mammalian Cestoidea. II. On two 
new genera of Cestodes from Mammals. 
London Proc. Zool. Soc. 1911 (626- 
660 and 994-1018). 18 
Beede, J. W. The Carbonic fauna 
of the Magdalen Islands. Albany N.Y. 
Educ. Dept. St. Mus. Bull. No. 149 
1911 (156-186). 19 
Berninger, Julius. Ueber die Ein- 
wirkung des Hungers auf Planarien. 
b 7—2 
