40 Verm. 
XV. VERMES, 
[ 1904 ] 
Histology of cylindrical epithelial cells, Holmgren (201). 
Histology of brain and nerve cord of Placobdella pediculata , Hemingway 
(191). 
Histology of nerve fibres in the digestive tube of the leech, Azoulay 
( 16 ). ■ 
Histology of the blood system of the Rhynchobdellidce , Arnesen (13). 
Three forms of light cells, ApIthy (11). * 
Leech as a sight restorer, Clarke (86). 
Ergastoplasmic functions, nephridia, Hirudo, Fage (134). 
Ovogenesis of Branchellion , P£rez & Gendre (348). 
Gregarines parasitising Hirudinea , Brumpt (55). 
Distribution. 
Lake Baical, list of spp. found, Yakhontov (478). 
Sligo, freshwater leeches, Scharff (396). 
Roumania, Hirudinidae ; Sciuban (44). 
North and South Portugal, marine fauna, Nobre (333, 334). 
Constantine, Algeria, a Trypanosome in Helobdella algira, Billet (25). 
Victoria, a freshwater leech, Kershaw (230). 
Systematic. 
Leech, structure of nerve fibres in the digestive canal, Azoulay, C.R. Soc. 
Biol, lvi, pp. 465-468, 2 figg. 
Aulostoma gulo , anatomy and histology of digestive organs, Spiess, Rev. 
Suisse Zool. xii, pp. 585-647, pis. x & xi. 
Branchellion torpedinis, muscle fibres, Perez & Gendre, C.R. Soc. Biol. 
lvii, pp. 113-115 ; ovogenesis, P£rez & Gendre, t. c. pp. 605 & 606. 
Clepsine striata to Glossosiphonia, characters, Scriban, Ann. Univ. Jassy iii, 
p. 18. 
Hcemopis sanguisuga , histology of digestive epithelium, Spiess, C.R. Soc. 
Biol, lvi, pp. 698 & 699; H. sanguisuga, parasitised by Gregarines, 
Brumpt, op. cit. lvii, pp. 165-167. 
Helobdella algira, at Constantine, parasitised by a Trypanosome, Billet, 
C.R. Ac. Sci. cxxxix, 2, pp. 574-576. 
Hemiclepsis marginata , parasitised by Gregarines, Brumpt, C.R. Soc. 
Biol, lvii, pp. 165-167. 
Hirudo medicinalis , cylindrical epithelial cells, Holmgren, Arch. mikr. 
Anat. lxv, 2, pp. 280-297, pis. xviii & xix, 5 figg. ; morphology, 
Livanow, Zool. Jahrb. Anat. xix, pp. 29-91, xx, pp. 153-226, 
pis. ii-vi, ix-xi. 
Limnobdella quinquestriata, Victoria, freshwater form, Kershaw, Victorian 
Natural, xx, 9, Zoology, pp. 122-125. 
Nephelis vulgaris ( = Herpobdella atomaria Carena), parasitised by a new 
Nematode, Schuberg, Verh. Ver. Heidelb. vii, pp. 629-632. 
Placobdella catenigera , parasitised by Gregarines, Brumpt, C.R. Soc. Biol, 
lvii, pp. 165-167; P. pedicxdata, brain and nerve cord, Hemingway, 
Science xix, p. 218. 
Protoclepsis tessellata, morphology, Livanow, Zool. Jahrb. Anat. xix, pp. 29- 
91, xx, pp. 153-226, pis. ii-vi, ix-xi. 
Rhynchobdellidce , histology of the blood system, Arnesen, Jena. Zeitschr 
xxxviii, 4, pp. 771-806, pis. xxvi-xxviii. 
