399 Vennes. 



3355*Keeble, Frederick, and F. W. Gamble. 51.23 Convoiuta: 18. 



1907. The Origin and Nature of the Green Cells of Convoiuta roscoffensis. 

 auart. Journ. micr. Sc. Vol. 51. p. 167—219, 2 pis. 

 56* Wahl, Bruno. 51.23 Dalyelliidae : 14. 



1906. Untersuchungen über den Bau der parasitischen Turbellarien aus 

 der Familie der Dalyelliden. (Vorticiden.) Anz. Akad. Wiss. Wien math.- 

 nat. Cl. Jahrg. 43. p. 59 — 60. — I. Teil. Die Genera Anoplodium, 

 Graffüla und Paravortex. Sitz.-Ber. Akad. Wiss. Wien math.-nat. Kl. 

 Bd. 115. Abt. 1. p. 417—473, 4 Tal, 6 figg. [Änoplodium gracile n. sp. 

 Paravortex n. g. pro Macrostomum scrobicula7'iae.] 



57*Colgan, "N. 51.23 Leptoplana: 15.3. 



1907. A Note on Leiotoplana tremellaris. Irish Natural. Vol. 16. 

 p. 323. 



58* von Hofsten, Mis. 51.23 Plagiostomum : 14. 



1907. Zur Kenntnis des Plagiostomtmi lemani (Forel & DuPlessis). Zool. 



Studien Tullberg p. 93—132, 1 Taf., 8 figg. 

 59*Weygandt, G. 51.23 Piagiostomum: 14.63.1. 



1907. Beiträge zur Kenntnis der Spermatogenese bei Plagiostor)ia girardi. 



Zeitschr. wiss. Zool. Bd. 88. p. 249—290, 1 Tai, 8 figg. 

 60* Wilhelmi, J. 51.23 Planaria. 



1907. Über Planaria affinis Oe. Bergens Mus. Aarbog 1907. No. 4. 



14 pp., 3 figg. 



61* Wilhelmi, J. 51.23 Planaria. 



1907. Über Planaria angulata Milllev. Zool. Jahrb. Abt. Syst. Bd. 26. 

 p. 1 — 10, 1 Tal [Gehört zu den Nemertinen.] 

 3362* Walter, Herbert Eugene. 51.23 Planaria : 11.044. 



1907. The Reactions of Planarians to Light. Journ. exper. Zool. Vol. 5. 

 p. 35 — 116, 117 — 162. [Intensity of light (rather than direction) is princi- 

 pal factor in light reactions. Orientation and phototaxis more consistently 

 explained by theory of tropisms than by that of triai and error.] 



63*Sekera, Emil. 51.23 Planaria: 11.6. 



1907. Zur Teratologie der Planarien. — Sitz.-Ber. böhm. Ges. Wiss. 

 math.-nat. Gl. 1906. Ho. 34. 14 pp., 10 figg. 



64* Stevens, M. M. 51.23 Planaria: 11.69. 



1907. A Histoiogical Study of Regeneration in Planaria simplicissima, 

 Planaria maculata and Planaria morgani. Arch. Entw.-Meeh. Bd. 24. 

 p. 350—373, 3 Tal, 10 figg. 



65*Sehleip, Waldemar. 51.23 Planaria: 13.1. 



1906. Die Entwicklung der Chromosomen im Ei von Planaria gono- 

 cephala. Dug. Zool. Jahrb. Abt. Anat. Bd. 23. p. 357—380, 2 Tal 



66*Laidlaw, F. F. 51.23 Planaria (285 : 6). 



1907. Zoological Results of theThird Tanganyika Expedition, Conducted 

 by Dr. W. A. Cunnington. 1904—1905. Report on the Turbellaria. 

 Proc. zool. Soe. London 1906. p. 777 — 779, 1 fig. [Planaria tangan- 

 yikae n. sp.] 



3367* Sabussow, H. 51.23 Planaria (47. 2). 



1907. Über den Körperbau von Planaria wytegrensis n. sp. aus der Um- 

 gegend des Onega-Sees. Zool. Jahrb. Abt. Anat. Bd. 23. p. 741 — 770, 



2 Tal 



10. XI. 1907. 



