BIOLOGIC A ti 
Venn . 21 
7. Vascular System and its Contents. 
On a blood-forming organ in the larva of Mag dona ; Buchanan. 
Blood-glands in a Pontodrilus , Eisen. Blood-corpusples, “ Herzkorper,” and 
structure of walls of vascular system in Enchytrceidce ; Nusbaum, Beddard 
(13) pp. 64-81. Vascular system and “ Herzkorper” of a Lumbriculid ; 
Eisen : of Vermiculus ; Goodrich (86). Unicellular valves in longitu- 
dinal vessels of Vermiculus ; Goodrich (86). 
Blood vascular system and its corpuscles in Nemertines ; BOrger (38) 
pp. 289-297 and p. 312, Coe (54). 
8. Respiratory Organs. 
Of Oligochaetes ; Ude, Beddard (13) p. 81. Supernumary branchiae in 
a Eunice ; Pruvot & Racovitza. 
9. Excretory System. 
Morphological significance of nephridia; Goodrich (87). Nephridia 
of Dinophtlus ; Sciiimkewitsch : of Kerria macdonaldi , Eisen, p. 70 : of 
other Oligiochaetes ; Beddard (38) pp. 231-253, Goodrich (86). Ciliated 
funnels in Leeches ; McKim, Bolsius (27) & (28). Excretophors in 
Leeches ; Graf. 
Excretory system of Cestodes ; Morell, Fillipi, Germanos, Zer- 
necke : of Nemertines; Burger (38) pp. 297-312, Coe: of Aspido- 
gaster ; Zacharias (266), Stafford : of Bothrioplana ; Vejdovsicy (252). 
10. Nervous System, 
Cerebral ganglion and sensory nervous system of Polychaetes ; Retzius. 
Ladder-like nervous system of Dinophtlus ; Schimkewitsch. Nervous 
system of Oligochaetes ; Beddard (13) pp. 18-25. Histology of nervous 
system of Chaetopods and Leeches ; Rohde. Structure of nerve-cells in 
Lumbricus ; PflUcke, p. 524. Regeneration of central nervous system in 
Earthworms ; Friedlander. 
Nervous system of Cestodes ; Jammes, Zernecke, Morell : of Trema- 
todes ; Jammes, Kowalevski : of Nemertines ; Burger (38) pp. 314-385, 
Coe (54). 
11. Sense Organs. 
Eyespots, and special sense organs innervated from posterior part of 
cerebral ganglion, in Nereis ; Retzius. Sensory nerve-cells forming end- 
organs iu the Earthworm ; LAngdon. A species of Sptarganophilus with 
eyes ; Eisen. Serial median ventral sense organs in Phreoryctes ; v. Bene- 
den. Special sensory end-cells in Cestodes; Blociimann : in Trematodes; 
Blociimann & Bettendorf. Sense organs of Nemertines; Burger (38) 
pp. 385-428 ; Coe (54). Otocysts in Opistoma ; Vejdovsky (252) pt. i. 
Peculiar organs (probably sensory) in Spadellci vougai ; B^rAneck. 
