20 Myr. 
XII. MYRIOPODA. — PROTOTRACHEA TA. 
PROTOTRACHfe^TA. (ONYCHOPHORA.) 
i.\titles. 
1. Bouvier, E. L. Sur le Peripatus tholloni. Extrait d’une lettre 
adressee de Ng6mo (Ogooue) par M. le Pasteur Haug & M. le Professeur 
Bouvier. [With notes by Prof. Bouvier.] Bull. Mus. Paris ix, 
pp. 221 & 222. 
2. Bruntz, L. Excretion et pliagocytose chez les Onychophores. C.R. 
Ac. Sci. cxxxvi, pp. 1148-1150. 
Abstract, Zool. Jahresber. 1903, Arthrop. p. 35. 
3. . Contribution a l’etude de Fexcretion chez les Arthropodes. 
Arch. Biol, xx, pp. 217-422, pis. vii-ix. [Prototracheata, pp. 300-309.] 
Abstract, J. R. Micr. Soc. 1904, p. 304. 
4. Carpenter, George Ii. On the relationships between the classes of 
the Arthropoda. P. Irish Ac. xxiv, Sect. B, pt. 4, pp. 320-360, pi. vi, 
5 figg. in text. 
Abstract, J. R. Micr. Soc. 1904, p. 178. 
5. Evans, Richard. On Peripatus guianensis (sp. nov.). Quart. J. 
Micr. Sci. (n. s.) xlvii, pp. 145-160, pis. xiii & xiv. 
Abstracts: J. R. Micr. Soc. 1903, pp. 608 & 609; Zool. Jahresber. 1903, 
Arthrop. p. 35. 
6. Gaskell, Walter H. On the origin of vertebrates deduced from the 
study of Ammoccetes. Part xi. J. Anat. Physiol, norm. path, xxxvii, 
pp. 168-219, 6 figg. in text. 
7. Giesbrecht, W. & Mayer, P. Arthropoda. Zool. Jahresber. 1903, 
74 pp. [Prototracheata, p. 35.] 
II adg, — . [See Bouvier (1).] 
8. Lucas, Robert. Bericht iiber... Prototracheata [for 1899]. Arch. 
Naturg. lxvi (2), pp. 1243 & 1244. 
Mayer, P. [See Giesbrecht & Mayer (7)-] 
II. BIOLOGY. 
Anatomy of Peripatus guianensis ; Evans (5). 
Excretion and phagocytosis in Prototracheata ; Bruntz (2 & 3). 
Relationships of Prototracheata ; Carpenter (4). 
Peripatus in relation to origin of Yertebrata ; Gaskell (6). 
Review of literature for 1899; Lucas (8) : for 1903, Giesbrecht & 
Mayer (7). 
III. DISTRIBUTION. 
Congo, Peripatus tholloni ; Bouvier & Haug (1). 
Demerara, Peripatus guianensis n. sp. ; Evans (5). 
IY. SYSTEMATIC INDEX. 
Peripatus capensis , excretory organs, p. 300 ; Bruntz, Arch. Biol, xx : 
P. tholloni , notes; Bouvier & Haug, Bull. Mus. Paris ix, pp. 221 &222. 
P. guianensis , Demerara ; Evans, Quart. J. Micr. Sci. (n. s.) xlvii, pp. 145- 
160, pis. xiii & xiv, n. sp. 
