Notarchus and Hexabranchus. 15 



Bek<;h, R,., Nudibranchiata vom Meere der Insel Mauritius. In: 

 Op. cit. Hefte 16. 1889. 



H. marginatus Q. et G. (described p. 828, t. 77, f. 12, t. 83, f. 33-41). 

 , Die cryptobranchiaten Dorididen. In: Zoolog. Jahrbucher. 

 Band 0. 1891. Jena 1892. 



H. praetextus Ehrb., H. marginatus Q. et G., H. faustus Bgh, H. faustas 

 var. notatus Bern, H. pulehellus (Pease) Bgh, H. fiammulahts Q. et G., 

 ? H . pelhtcidtilus Aim., ? H . adamsii Ad. and 1 Beptabranehus buruettii Ai>. 

 (p. 127). 



Blalnville, H. M. C, Manuel de Malacologie. Paris 1825. 



Doris lacera Cuv. (p. 489). 



Cuvter, G., Memoire sur le Genre Doris. In: Ann. du Museum 

 National d'Histoire naturelle. Vol. 4. Paris 1804. 



Doris lacera (described p. 453, pi. 73, f. 1 — 3 and p. 473). 



Ehrenberg, C. G. et Hemprich, F. G., Symbolae physicae. Series 

 prima. Evertebrata, exclusis insectis. Berlin 1831. 

 H. praetextut Ehrb. (described pi. 1, f. A, B). 



Frauenfeld, Gh, Naturhistorische Fragmente, gesammelt auf einer 

 Reise am rothen Meere im Friilijahr 1855. In: Sitzb. matli.- 

 naturw. Classe der kaiserl. Akademie der Wissenschaften. 

 Band 18. Jahrg. 1855. Hefte 1. Wien 1856. 

 Doris aangwinea Leuck. (described p. 78, pi. 1, f. 1). 



Gould, A. A., Mollusca and Shells. In: United States' Exploring 

 Expedition during the Years 1838—42. Vol. 12. Philadelphia 

 1852. "With an Atlas of Plates. 



Doris superba Gould (described p. 301, pi. 23, f. 396), D. eardinalit 

 Gould (described p. 302, pi. 25, f. 397), D. sumptuosa Guild (described 

 p. 303, pi. 24, f. 398 a-b). 



, Otia conchologica. Boston 1862. 



D. superba, D. cardinalis, D. sumptuosa (p. 228. 229). 



Gray, M. E., Figures of Molluscous Animals selected from various 

 authors; etched for the use of students. London 1850 — 54. 



H. praetextus (t. 237), H. sanguineus (t. 08, f. 4). //. lacinidtus (t. 65, 

 f. 3, t. 230, f. 2), H. marginalia (t. 221, f. 2, t. 224, f. 2), H. aondwiehmsU 

 (t. 235), H. adamsi (p. 104, t. 219, f. 1), Heptabranchtu hurnettii (p. 104, 

 t. 219, f. 2). 



Gray, J. E., Guide to Mollusca in British Museum. Part 1. 

 London 1857. 



H. praetextus, H. sanguineus, 11. laciniatus, U. marginalia, H. sandvneh- 

 ensis, H. adamsi (p. 210) and Heptabraiicluts Ihiniettii (p. 211). 



