22 Verm. 
XV. VERMES. 
Articles on Eustrongylus and Filaria ; Blanchard (31). Anatomy of 
a Trichosomum ; Reibisch (203). Comparative anatomy of Mentis and 
Gordius ; Yillot (250). 
Summary of current knowledge of the Philodinidcc ; Jansen, 0. (132): 
of the Gasterotricha ; Wagner (251). Anatomy of Cypricola parasitica, 
n. sp. ; Daday (75) : of other now Rotifers ; Bryce (48, 49, 50), Wier- 
zejski (260), Western (257), Rousselet (211). List of new Rotifers 
since 1889 ; Rousselet (212). 
2. Integument. 
Of Enteropneusta ; Spengel (231), pp. 577-588. 
Of Sipunculus indicus ; Fischer (87). Histology of cutis and epi- 
dermis in Lumbricus \ Cerfontaine (64) : of the Clitellum ; Cole (70). 
Development of Setae in Syllids; Malaquin (162). 
Cuticle, Stabchen and subcutaneous layer of cells in Cestodes ; Will 
(263). Cutaneous investment of Trematodes ; Monticelli (172), 
appendix ; Walter (253), Looss (156). Integument and stinging 
organs of Turbellarians ; P^reyaslawzewa (193), pp. 1-31. Mechanism 
of the stinging cells ; Penard (192). Epidermis of a Turbellarian not 
ciliated ; Chapuis (66). 
Cuticle of Nematodes ; Cobb (67) : of Gordius ; Janda (130), and 
Camerano (61) : of Mermis and Gordius compared ; Yillot (250). 
3. Muscular System. 
Of Enteropneusta ; Spengel (231), pp. 457, 515, 555. 
Histology of circular, longitudinal, aciform and setal-sac muscles of 
Lumbricus terrestris ; Cerfontaine (64). Muscles of Lumbricus and 
Ilirudo ; ApAthy (3) : those of Enclirytmids shown to be cells 
of the Nematoid type : Hesse (116). 
Muscles of Cestodes ; Will (263) : of Nemertines ; Burger (55, 57) : 
of Turbellarians; P^reyaslawzewa, pp. 95-116. A sucker -like 
muscular mass in a Turbellarian ; Chapuis (66). 
Muscles of Ascaris ; ApAthy (3), compared with those of Lum- 
bricus and Hirudo. Strength and resistance of muscles of Gordius ; 
Camerano (59). 
4. Digestive System. 
Alimentary canal and gill slits of Enteropneusta ; Spengel (231), 
pp. 453-512, 541-576. 
“Rectal diverticula ” of Sipunculus shown not to communicate with 
the lumen of the intestine ; Shipley (222). Development of jaws in 
Ophryotrocha puerilis ; Bonnier, Braem, Korschelt. Jaws of 
Leeches ; Croockewit (74). Alimentary canal of Syllids and the 
development of the permanent pharynx from the larval one ; Malaquin 
