Plate 

 XXI. 



XXII. 



XXIIT. 



XXIV. 



XXV, 



XXVI. 



XXVII. 



XXVIII. 



XXIX. 



XXX. 



XXXI. 



XXXII. 



XXXIII. 



XXXIV. 



Tetragonopterus guppyi. 2. Haplochiliis harti. 3. Curi- 

 mattis arc/enteus 



Girardinus guppyi, S . 1 «. 5 • 2. Chirodon pidcher. 

 8. Corynopoma riisii, c? . 3 «. 2 • 4. Tetragonoptems 

 tceniurus. 5. T. unilineatus 



Parnuchenipterus passes 



Pseudmichenipterus gttpjn/i 



1. Acara pnlchiri, 2. Polycentrus schotnhurgkii 



Pae;e 



^378 



^Alcyonarians from Zanzibar 393 



J 



Cyclopia in Osseous Fishes 443 



Supernumerary Eyes and absence of Notochord in Trout 449 

 New forms of Helicanius 452 



