XXII 



Page 



Snout of mature male of CYystattogobius nilssoni 335 



Caecum of Nyctereutes procyonides 375 



Wings of Barsinella mirabilis 385 



Trachea of Fuligula nation i J 478 



Helix ( Camena) lewisU 496 



Helix ( Camena ) congenita 497 



Cyclophorus (Myxostoma) balky raphe 498 



First primaries of the genus Ptilopus 508 



First primary and foot of Ptilopus iogaster 510 



First primary and foot of Ptilopus fasciatus 510 



First primary and foot of Ptilopus gcelvinckianus 511 



First primary and foot of Ptilopus coronulatus 511 



Wing of Drepanoptila hvlosericea 613 



Tudicula inermis 610 



Lower end of the trachea of Tantalus loculator <$ 626 



Windpipe of Vanella cayennensis 628 



Lower larynx of Megalocephalon maleo 630 



Phylloptera segonoides , 649 



Stomach of Plotus levaillanti 680 



Head of Gaeella granti (side view) 724 



Head of Gazella granti (front view) 725 



Trachea of Rhynchcea capensis, cS $ 748 



Podobranchia of the antepenultimate thoracic limb of Astacus jiuvia- 



tilis 757 



Podobranchia? of the first maxillipede of Astacus Jluiiatilis, Asta- 



coides madagascariensis, and Parastacus brasiliensis 759 



Branchiostegite of Astacus Jluviatilis 7C0 



Branchiostegite of Astacopsis franklinii 760 



Podobranchia of the antepenultimate thoracic limb of Astaccpsis 



franklinii 765 



Podobranchia of the antepenultimate thoracic limb of Charaps. . . . 767 

 Podobranchia of the antepenultimate thoracic limb of Astacoides 



madagascariensis 772 



Antler of Cervulus mnntjac 898 



Antler of Cervus (Pusa) aristotelis 900 



Antler of Cervus (Pusa) hi})pelaphus 903 



Antler of Cervus (Rucervus) duvauceli 905 



Antler of Cervus (Elaphurus) davidianus 906 



Antler of Cervus (Axis) axis 907 



Antler of Cervus (Pseudaxis) sika 908 



Antler of Cervus (Cervus) elaphus 910 



Antler of Cervus (Dama) dama 914 



Antler of Cervus (Dama) mesopotamieus 914 



Antler of Alces rnaehlis 916 



Antler of Capreolus capraa 917 



Antler of Cariaeus (Cariacus) virginianus 91g 



Antler of Cariacus (Cariacus) macrotis iti'l 



Antler of Cariacus (Blastocerus) paludosus 922 



