Dr. Cantor on the Flora and Fauna of Chusan. 493 



low triangle ; the margins of the back spotted with yellow ; the up- 

 per part of the back surmounted by a strong spine : whitish yellow 

 beneath. 



9. INSECTA. 

 Myriapoda Chilognatha. 

 Iuloidse. 



*Polydesmus bicolor. P. nitide niger, lineis dorsalibus transversa- 

 libus rubris 19, mucroneque segmenti penultimi rubro. Long, ad 

 poll. 2. 



Shining black, with nineteen red transversal lines, and the point 

 on the penultimate segment red. 



ScUTIGERID^E. 



*Scutigera rufipes. S. pallide schistosa, segmentis dorsalibus ca- 

 rinatis novem, abdominalibus sedecim ; tarsis runs. Long. poll, dimid. 



Pale slate-coloured, with nine keeled dorsal, sixteen abdominal 

 segments ; tarsi red. 



Scolopendra morsitans, Auct. 



10. ANIMALCULA. 



VOLVOCINA. 



*Gyges granulum, Ehrenberg. 

 *Sphaerosira vol vox, Ehr. 

 Closterina. 



*Closterium trabecula, Ehr. 



* turgidum, Ehr. 



* ? falcatum. 



ASTASIA. 



*Euglena longicauda, Ehr. 



DlNOBRYINA. 



*Epipyxis utriculus, Ehr. 

 Arcellina. 



*Arcella aculeata, Ehr. 

 Bacillaria. 



*Desmidium Schwartzii, Ehr. 



* hexaceros, Ehr. 



*Xanthidium coronatum. 



* hirsutum, Ehr. 



* Arthrodesmus quadricaudatus, 

 Ehr. 



*Micrasterias hexagona. 

 *Euastrum margaritiferum,i£A. 



* Jovis. 



* — integerrimum, i£Ar. 



*Navicula fulva, Ehr. 

 * gracilis, Ehr. 



*Navicula sigma, Ehr. 



*- curvula, Ehr. 



* S romanum. 



* turgida, Ehr. 



*Bacillaria vulgaris, Ehr. 

 *Cocconema gibbum, Ehr. 



* cymbiforme, Ehr. 



*Gomphonema truncatum, Eh. 

 *Coccone'is pediculus, Ehr. 

 *Gaillonella nummuloides, Eh. 

 * distans, Ehr. 



VORTICELLINA. 



*Vorticella patellina, Ehr. 

 Enchelia. 



*Leucophrys patula, Ehr. 

 Colepina. 



*Coleps hirtus, Ehr. 

 Trachelina. 



*Trachelius vorax, Ehr. 



* ■ anas, Ehr. 



* lamella, Ehr. 



EUCHLANIDOTA. 



*Lepadella emarginata, Ehr. 

 Brachion^ia. 



*Brachinus urceolaris, Ehr. 

 Dubia. 



