LIST OP PUBLICATIONS. 
Verm. 7 
[Braun, M.] (4) Bericht iiber die Fortschritte in der thierischen 
Parasitenkunde. T. c. : B. Trematodes , pp. 421-427 ; c. Cestodes, 
pp. 427-430 & 465-471; d . Nematodes, pp. 493-495; E. Acanthocephala , 
pp. 495-497 ; f. Annelids , pp. 497 & 498. 
. (5) Verzeichniss von Eingeweidewfirmern aus Mecklenburg. Arch. 
Ver. Mecklenb. 1891, pp. 97-117. 
*Bryce, D. j Distyla ; New Rotifers. Sci. Goss. 1891, pp. 204-207, 8 figs. 
3 new species. 
Burckiiardt, R. Weitere Mittheilungen fiber Protopterus annectens 
und fiber einen in seiner Chorda dorsalis vorkommenden Parasiten 
(Amphistomum chordale , n. sp.). SB. nat. Fr. 1891, pp. 62-64. 
Burger, 0. (1) Beitrage zur Entwicklungsgeschichte der IJirudineen. 
Zur Embry ologie von Nephelis. Zool. Jahrb. Abth. f. Anat. &c , iv, 
pp. 697-738, Taf. xli-xliii. 
. (2) Ueber Attractionsspharen in den Zellkorpern einer Leibesflfis- 
sigkeit. Anat. Anz. vi, pp. 484-489, 5 figs. 
The large corpuscles of the rhynchocoelom (coelom of introvert) of the 
Nemertines which do not undergo division, and whose nuclei are therefore 
in a permanent resting condition, contain each an attraction-sphere with 
central body. Only twice were double spheres observed. Species of 
Amphiporus (one new) were examined. 
. (3) Vorlaufige Mittheilungen fiber Untersuchungen an Nemer - 
tinen des Golfes von Neapel. Nachr. Ges. Gotting. 1891, No. 9, 16 pp. 
. (4) Die Enden des excretorischen Apparates bei den Nemertinen. 
Eine Mittheilung. Z. wiss. Zool. liii, pp. 322-333, Taf. xvi. 
. (5) Beitrage zur Kenntniss des Nervensystems der Wirbellosen. 
Neue Untersuchungen fiber das Nervensystem der Nemertinen. MT. 
z. Stat. Neap, x, pp. 206-254, Taf. xiv & xv. 
Investigation with the Methyl-blue method of Ehrlich. 
. (6) Zur Kenntniss von Nectonema agile y Verr. Zool. Jahrb. 
Abth. f. Anat. &c., iv, pp. 631-652, Taf. xxxviii. 
This is an isolated free-living Nematode from Vineyard Sound. The 
curious structure of nervous system and absence of lateral fields relate it 
to Gordius , while the musculature and digestive apparatus ally it to 
Trichocephalus. 
*Burn, W. B. Some new and little-known Rotifers. Am. Micr. J. xii, 
No. 7, pp. 145-147, 1 pi. 
2 new species. 
Chatin, J. (1) Sur l’aiguillon de VHeterodera schachtii. C.R. cxii, 
No. 26, pp. 1516-1518. 
. (2) Sur la presence de VHeterodera schachtii dans les cultures 
d’oeillets Nice. Op. cit. cxiii, pp. 1066 & 1067. 
