72 Verm. 
xv. VERMES. 
Phoronis; development, structure and metamorphosis of Actinotrocha , 
Masterman, Quart. J. Micr. Sci. xlv, pp. 485-492 ; larvae, histology, 
Schneider, Lehrbuch vergleich. Hist. Jena 1902, pp. 217-223, figg. 
268, 270 & 271 ; P. australis , anatomy and histology of the larva, 
Menon, Quart. J. Micr. Sci. xlv, pp. 473-484, pi. xxvi; occurrence 
near Misaki, characters, Iked a, Annot. zool. Japon. iv, pp. 115-118 ; 
P. kowalevskyi ( Actinotrocha ), development, Selys Longchamps, Arch. 
Biol, xviii, pp. 495-597, 3 pis. 
Ptychodera ( Balanoglossus ) clavata , histology, Schneider, Lehrbuch ver¬ 
gleich. Hist. Jena 1902, pp. 225, 672-692, text-figg. 275, 537-546 ; 
P. erythrcea , Red Sea, anatomy, Klunzinger, Verh. Deutsch. zool. 
Ges. 1902, xii, pp. 195-202, 4 figg.; P. minuta, regeneration of the 
acorn-shaped gland, Dawydoff, Zool. Anz. xxv, pp. 551-556 ; P. 
occidentalis Ritter Southern California, Ritter, Science xv, p. 64 
(n. sp. ?). 
Rhabdopleura normani , anatomy, Conte & Vaney, C.R. Ac. Sci. cxxxv, 
pp. 63-65 ; budding, Vaney & Conte, t. c., pp. 748-750. 
Stereobalanus (.Balanoglossus) canadensis , structure and significance of the 
heart, Ritter, Zool. Anz. xxvi, pp. 1-5. 
