DE SAUSSURE. Mémoire sur divers Crustacées nouveaux des Antilles et du Méxique. Mém. de la Société de Physique de Genève T. XIV., 1857. VON MARTENS. Südbrasilische Süss- und Brackwasser Crustaceen (_A. pilimanus, A. brasiliensis_), Wiegmann’s Archiv, XXXV., 1869. ——. Ueber Cubansche Crustaceen. _Ibid._ XXXVIII. HAGEN. Monograph of the North American _Astacidæ_. 1870. {361} D. _Madagascar._ AUDOUIN AND MILNE EDWARDS. Sur une Espèce nouvelle du genre Écrevisse (_Astacus_). Écrevisse de Madagascar (_A. Madagascariensis_)., Mém. du Muséum d’Hist. naturelle, T. II. 1841. E. _Australia._ VON MARTENS. On a new Species of _Astacus_. Annals & Mag. of Natural History, 1866. HELLER. Reise der “Novara.” Zool. Theil. Bd. II. 1865. F. _New Zealand._ MIERS. Notes on the Genera _Astacoides_ and _Paranephrops_. Transactions of the New Zealand Institute, IX., 1876. —— _Paranephrops._ Zoology of “Erebus” and “Terror,” 1874. Catalogue of New Zealand Crustacea, 1876. —— Annals of Natural History, 1876. WOOD-MASON. On the mode in which the Young of the New Zealand _Astacidæ_ attach themselves to the Mother. Ann. & Mag. Natural History, 1876. G. _Fossil Astacomorpha._ OPPEL. Palæontologische Mittheilungen, 1862. BELL. British Fossil Crustacea. Palæontographical Society. P. VAN BENEDEN. Sur la Découverte d’un Homard fossile dans l’Argile de Rupelmonde. Bulletin de l’Acad. Royale de Belgique. XXXIII., 1872. VON DER MARCK UND SCHLÜTER. Neue Fische und Krebse von der Kreide von Westphalen. Palæontologica, XV. 1865. COPE. On three extinct _Astaci_ from the freshwater tertiary of Idaho. Proceedings of the American Philosophical Society, XI., 1869–70. {363} INDEX. A. Abdomen, 19, 141 development of, 213 Abdominal appendages, 143 development of, 217 Abdominal somite, characters of, 142 Ætiology, 47 AGASSIZ, 308 Alimentary canal, 51 development of, 213, 222 Ambulatory legs, 168 American Crayfishes, 243, 247 _Amœba_, 285 Amurland Crayfishes, 304 Antenna, 23, 172 development of, 214, 218 Antennule, 23, 173 development of, 214, 218 _Anthrapalæmon_, 341 Anus, 29 Apodeme, 99, 158, 175 Appendage, 24, 143, 161, 173 abdominal, 143 cephalic, 170 thoracic, 164 Archenteron, 211 Arctogæal province, 314 Areola, 235 ARISTOTLE, referred to, 4 Arteries, 71 Arteries, development of, 224 Arthrobranchia, 75 Arthrophragm, 158 _Arthropoda_, 279, 284 Articulations, 95 Asiatic Crayfishes, 304 _Astacina_, 254 _Astacoides_, 250, 313 _Astacomorpha_, 338 _Astacopsis_, 250, 264 _Astacus_, division into sub-genera, 290