18 Myr. 
PROTOTIIACHEATA. 
pp. 486-525, pis. xxxii-xxxvii, Evans, Quart. J. Micr. Sci. xliv, 
n. spp. 
E. sumatranus , notes on the type specimen, Evans, Quart. J. Micr. Sci. 
xliv, p. 484. 
Mesoperipatus n. g. defined, Evans, t. c., p. 482. 
Peripatopsis blainvillei , reproduction and development, Bouvier, C.R. Ac. 
Sci. cxxxiii, p. 518 ; characters and relations, Bouvier, Zool. Anz. 
xxiv, p. 59. 
Peripatus capensis Grube and Peripatus brevis Blainville are synonyms, 
Bouvier, Bull. Soc. ent. France 1901, p. 74. 
P. jamaicensis mut., bouvieri nom. nov. for mut. swainsonce Bouvier, 
Cockerell, Nature lxiii, p. 325. 
P. sorotanus, intermedins , Sorata, Bolivia, Bouvier, Bull. Mus. Paris vii, 
p. 168, n. spp. 
