CH^TODON 



LONGIROSTRIS. 



K D. P. V. A. C. 



5 7T 15 "«■ »5^ »•» 



Locus: Occartui pzci&cus : prope Infulas Societatis, 7. Co(»;4; Infulas Sandwich (Muf.Banh.J 



DESCRIPTIO. 



R. 2, |. P. 2. D. 2. V. 2. A. 2 C. 2,7^ 



Corpus compreffum, oblongo-rhomboideum ; Diameter perpendicularis major pone Anum, 

 ad longitudinalem circiter ut 2:5; Abdomen obtufe carinatum, ad Pinnas Ventrales 

 planiufculum, antice parum curvatum, poftice fubreftum ; Dorfum obtufe carinatum, 

 abdomine magis curvatum, ante Pinnam Dorfalem declive ; Caiida comprefia, fuperne 

 et inferne pone Pinnas convexiufcula. 



Squamte in corpore fubregulariter oblique imbricata;, inaequales : verfus anteriora latiores : 

 fubquadratae, vix latiores quam longiores, bafi fubtruncatae, obfolete crenatae, apice ro- 

 tundatx, leviter ciliataB, colorats. 



Ltnea lateralis a commiffiira fuperiore aperturx branchialis adfcendens, dorfo fubparaliela, in 

 medio fubangulata, in cauda vix fuprema, refta, lineolata. 



jinus et Apertura genitalium in rima lineari, ponc medium corporis. 



LG : A : : 56 : 43 



Caput compreflum, fubtus compreflius, pofiice corpoVis latitudine, fuperne declive, obtufe 

 carinatum, intcr oculos latiufculum, medio fubcaiinatum, fubtus adfcendens, fubcon- 

 vexum, fquamofum : regio ante oculos nuda : Squam^e fuperne et antice irregulaiiter 

 Imbricatx, fupra opercula fubregulariter, majores, apice leviffime ciliatE. 



Riflus roftro deflexo fubhorizontaiis, reflexo oblique furfum fpeftans, parvus, oblongus. 



Afaxillis lineares : fuperior vix longior ; Ojja utriufquc mcmbrana connexa, tubum line- 

 arem efFormantia, vix mobilia : fuperiorn duplicata, fuperne convexiufcul?, latei ibus 

 plana, bafi parum dilatata, diduftilia, laevia : infcilora fuperioribus partim tefla, line- 



