442 PERCY SLADEN TRUST EXPEDITION 



LIST OF WORKS REFEREED TO. 



1. BouLENGER, G. A. Zool. Jahrb. Bd. vi. Syst. p. 447. 1892. 



2. Chun, C. Deutsche Tief-See Exped. Oegopsida. 1910. 



3. „ Zool. Anzeig. 31, p. 82. 1906. 



4. D'Orbigny, a. D. Voy. Am6rique M6rid. vol. 5, p. 56. 1847. 



5. HoYLE, W. E. "Challenger" Rep. Cephalopoda. 1886. 



6. „ P. Z. S. 1907, p. 450. 



7. „ Kept. Pearl Oyster Fishery, Gulf of Manaar, (Roy. Soc.) Pt. ii. 1904. 



8. „ Fauna and Geography of the Maldive and Laccadive Archipelago (J. S. Gardiner). 



Cephalopoda (vol. 2, suppl. i.). 1905. 



9. Jatta, G. Flora und Fauna des Golfes v. Neapel : Cephalopoda. 1896. 



10. JouBiN, L. Res. Camp. Scient. (d'Albert I.): 



IX. C6phalopodes de I'Atlant. Nord. 1895. 



11. „ XVII. „ prov. des campagnes de la "Princesse Alice." 1900. 



12. „ Notes: Leyden Museum, xx. pp. 21—28. 1898. 



13. Marchand, W. Zeitschr. fiir Wiss. Zool. 86. 1907. 



14. Pelseneer, p. Lankester's Treatise on Zoology. Mollusca. 1906. 



15. Pfeffer, J. Jahrb. Hamburg. Wiss. Anstalt. xvii. 1910. 



16. „ Plankton Exped. Oigopsiden. 1912. 



17. PossELT, H. J. Vidensk. Meddelels. Natur. For. 1891, p. 301. 



18. Verrill, a. E. Trans. Connecticut Acad. Sci. v. 1879. 



EXPLANATION OF PLATES. 



Plate 65. 

 Fig. 1. Liocranchia gardineri, n. sp., anterior and posterior aspects (x 5). 

 Fig. 2. Ghunoteuthis minima, n. gen., n. sp., anterior and posterior aspects (x 17). 

 Fig. 3. Polypus P., anterior aspect ; 3a, funnel ; 36, oral aspect shewing disposition of suckers (x 2). 



Plate 66. 



Fig. 1. Stenoteuthis bartrami Lesueur, general appearance of mantle cavity; la, stomach and caeca; 

 1 b, heart ; 1 c, laminae of gills, seen from above. 



Fig. 2. Scaeargus unicirrhus Tiberi, genitalia, etc. ; 2 a, heart ; 2 6, gill. 



Fig. 3. Polypus arborescens Hoyle, female in breeding season; 3a, diagrammatic representation of the 

 heart and female genitalia shewing asymmetrical condition of these organs due to growth of ovary 

 at sexual maturity ; the dotted outline shews normal position of these organs ; 3 b, mandibles ; 

 3c, radula (4 oc. x 6 obj.). 



Fig. 4. Polypus P., heart and genitalia of female ; 4a, radula (4 oc. x 6 obj.). 



Fig. 5. Polypus fontanianus (P'Orbigny), heart shewing enlarged right efferent artery, probably patho- 

 logical; 5a, ovary, etc.; 5b, gill; 5c, a single gill lamella; 5d, mandibles; 5e, radula. 



Letteeinq: jl4=anterior aorta; A, a = auricle; a.c?. = aquiferous duct; 6.A. =branohial heart; c.o. = capsule of ovary; 

 e.w. = efferent branchial vessel ; 6^^ = genital artery; ^r.o. = genital aperture ; ZjET= left efferent vessel; MES.V.=m.e- 

 senteric vessel; oa! = oviduct; O2) = oviduoal gland; P.4= posterior aorta; ^^F=right efferent vessel; r.p.a.=reno- 

 pericardial aperture; x, ?/= renal vessels. 



