36-2 CARTILAGINEI. 



Species 1. Tetrodon flwviatilis corpore vix compressiusculo, supra fusco- 

 virdi, lineis flavescentibus decussantibus in pulvinullos quasi 

 diviso ; maxilla superiore sublongiore. 

 B 1 ? D 16, P 17, A 14, C 8. 



2. Tetrodon Patoca corpore vix compressiusculo, spinulis sim- 

 plicibus hispido, supra nigricante maculis flavis vario ; maxil- 

 la superiore longiore. 



B— ? D 11, P 16? A 10, C 10. 



3. Tetrodon Cutcutia corpore vix compressiusculo, inermi, su- 

 pra viridi plagis irregularibus fuscis, infra albido ; macula 

 magna nigra utrinque ad caudae partem anteriorem ; maxil- 

 la inferiore longiore. 



BO, D 12, P21? A 11, C 8. 



4. Tetrodon Carta corpore vix compressiusculo, inermi, supra 

 plagis irregularibus fuscis viridi, infra nigro ; maxillis subae- 

 qualibus. 



B— , D 11, P 18? A 10? C 8. 



5. Tetrodon Gularis corpore vix compressiusculo, inermi, su- 

 pra plagis irregularibus fuscis viridi, infra nigro ; macula 

 utrinque nigra ad cauda; partem anteriorem ; plaga gulari 

 rubra ; maxillis subaequalibus. 



6. Tetrodon Tepa corpore compresso, aculeato, inflationis ca- 

 pace ; pinna caudae bilobo-lunata. 



B— , D 14, P 14, A 11, C 13. 

 Genus IV. Syngnathus oris rictu ad apicem rostri longissimi subcilin- 

 drici minuto, edentulo ; branchiarum apertura in nucha, per membranam 

 adnatam saepius obturata. 



Species 1 . Syngnathus Cuncalus pinnis dorsi pectoralibus et caudas ra- 

 diatis ; corpore septemangulari ; cingulis abdominalibus 1 6, 

 caudalibus 25„ 



B 2, D 50, P 16, C 9. 

 2. Syngnathus Carce pinnis dorsi pectoralibus et caudas radia- 

 tis ; corpore septemangulari ; cingulis abdominalibus 32, 

 analibus 18. 



B— , D 25, P 10, C 10. 



