567 



important changes being the elongation of the antennae, and the ac- 

 quisition of the sexual characteristics. 



The sexes are alike until the size of the adult is reached. The 

 adult male is more different than the adult female from the young. 



Every change from copulation and oviposition to the acquisition 

 of the adult form was observed in isolated captive specimens, and all 

 the appendages were figured at nearly every stage of development. 

 There is therefore the most complete certainty, that a Nauplius stage 

 occurs in the development of at least one stalk-eyed Crustacean. 

 BranfortN. C.Sept. 30, 1880. 



2. Diagnoses Batrachiorum novorum insulae Madagascar. 



Auctore ür. O. Boettger. 



Dyscophus sanguineus n. sp. 



Secundum caput latum, obtusum plica cutanea transversa ad mem- 

 brum anterius decurrens. In palato inter tubas plica transversa cutanea 

 fimbriata. Pedes semipalmati. Cutis omnino laevis. 



Supra laete sanguineus , infra antice fuscescens vel nigrescens, 

 postice albidus. 



Long. Corp. â 60, & 95, membr. anter. <5 39, £' 58, poster. c5 85, 

 U 128 mm. 



A Dysc. insulari Gran di di er (Ann. des Scienc. natur., 5. Sér. 

 T. 15. 1872. p. 10), typo generis huius Bombinatorinarum, notis supra 

 positis facile distinguitur. 



Spec. 2 e Tohizona insulae Madagascar teste Gust. Schneider 

 Basili ensi mihi aliata sunt. 



Hhomhophryne nov. gen. Engystomatidanim. 

 Corpus rhombicum, breve crassumque; membra valde compacta. 

 Caput latissimum, brevissimum, sicut membra non distincte a corpore 

 separatum, rostro obtusissimo. Oculi minimi ; aperturae nasales late- 

 rales, spatio lato inter se separatae. Fissura oris parva, bulbum vix 

 transgrediens. Dentés maxillares nulli; palatales parum validi, lineam 

 tran s versam, media parte retro angulatam neque interruptam adornantes. 

 Choanae médiocres ; tubae fere obsoletae. Inter tubas in medio palato 

 plica transversa cutanea, arcui similis, simplex, non fimbriata. Lingua 

 magna, lata longissimaque , parte postica non ejicienda ibique sulco 

 longitudinali instructa, sed nullo modo emarginata, lateribus liberis, 

 linea longitudinali mediana in basi oris affixa. Tympanum cute ob- 

 tectum. Parotides uuUae. Cutis verruculosa, verruculae ad rostrum et in 

 mento spinulosae, in tergo series longitudinales exhibentes. Plica cu- 



