PROTOTRACHEATA. 
Myr. 17 
PROTOTRACHEATA. (ONYCHOPHORA.) 
1. TITLES. 
1. BouviER, E. L. Les oeufs de« Onychophores. Arch. Mus. Paris 1904, 
pp. 1-50, 9 figg. in text. 
2. . Sur les Peripates des Guyanes. Bull. Mus. Paris 1904, pp. 52-55. 
3. . Peripatus belli (espece nouvelle de I'Equateur). T. c. pp. 56 & 57. 
4. . Sur les organes geuitaux males du Peripatus tholloni Bouv. 
Bull. Soc. ent. France 1904, pp. 192 & 193. 
5. CoLLiNGE, W. E. Non-operculate Pulmonata, Fasciculi Malayeuses 
Zool. i, pp. 201 & 202, 3 pis. 
Abstract, Zool. Zentrlbl. xi, pp. 738-764 (Peripatidae, p. 759). 
6. GiESBRECHT, W. & Mayer, P. Arthropoda. Zool. Jahresber. 1904, 
78 pp. [Prototracheata, p. 41.] 
7. Lankester, E. Ray. The Structure and classification of the Arthro- 
poda. Quart. J. Micr. Sci. (n. s.) xlvii, pp. 523-576. (Reprinted 
from Encyclopaedia Britannica xxv.) 
Appendix. On the Movements of the Parapodia of Peripatus, Millipedes 
and Centipedes, pp. 577-582, 1 pi. 
II. BIOLOGY. 
Structure of the eggs of Peripatidse : general characters of the develop 
ment and variations, origin of the yolk, phylogenetic evolution of eggs ; 
BOUVIER (1). 
Morphology of the male genital organs of Peripatus tholloni ; Bouvier, 
(4). 
Morphology and relationship of the Onychophora ; Lankester (7). 
On the movements of the Parapodia of Peripatus; Lankester (7); 
COLLINGE (5). 
Review of literature for 1904 ; Giesbrecht & Mayer (6). 
III. DISTRIBUTION. 
Ecuador, Peripatus belli ; Bouvier (3). 
Guyana, Peripatus ; Bouvier (2). 
IV. SYSTEMATIC INDEX. 
Protarthropoda, grade proposed for Onycophora ; Lankester (7). 
Peripatidce^ structure of the eggs in various genera and species ; Bouvier, 
Arch. Mus. Paris 1904, pp. 1-50. 
Peripatus belli, Ecuador, p. 56 ; Bouvier, Bull. Mus. Paris 1904, n. sp. 
Peripatus capensis^ movements of the Parapodia; Lankester, Quart. 
J. Micr. Sci. (n. s.), xlvii, pp. 577, pi. xlii, tigg. 4-9. 
Peripatus tholloni^ male genital organ, p. 192; Bouvier, Bull. Soc. ent. 
France 1904. 
