SL'PEAKENAL BODIES IN FISHES. 81 



B. Head-Kidney. 



23. Balfour, F. M. The Pronephros of Teleosteans and Ganoids. Brit. Assoc. Reports, 1881, 



p. 721. 



24. Balfour, F. M. Oh the Nature of the Organ in adult Teleosteans and Ganoids which is 



usually regarded as the Head-Kidney or Pronephros. Q. J. M. S. vol. xxii. p. 12 

 (Jan. 1882J. 



25. Calderwood, "W. L. The Head-Kidney of Teleostean Fishes. Joiirn. of the Mar. Biol. Assoc. 



of United Kingdom, N. S., vol. ii. no. 1 (May 1891). 



26. Emery, C. Zur Morphologic der Kopfniere der Teleostei. Zool. Anz. viii. pp. 7-12-74'l. 



(Atti dell' Accademia dei Lincei, 1882.) 



27. Emery, C. Le specie del genere Fierasfer nel Golfo di Napoli. Leip. 1881. 



28. Field, H. H. Development of Prouepliros and Segmental Duct in Amphibia. Bull. Mus. 



Comp. Zool. xxi. (1891) pp. 201-340 (8 pis.). 



29. Grosglik, — . Zur Morphologic der Kopfniere der Fische. Zool. Anz. 1885. 



30. Janosik, • — . Bemerkungen iiber die Entwickelung der Nebennieren. Arch. f. mikr. Anat. 



Band xxii. pp. 738-746, Taf. xxvii. (1883). 



31. JuNGERSEN, H. F. E. Development of Kidneys in Stm-geon. Zool. Anz. xvi. (1893), 



pp. 464-467, 469-472 (1 fig.). 



32. JuNGERSEN, H. F. E. Development of Kidneys in Amia calva. Zool. Auz. xvii. (1894), 



pp. 246-252 (5 figs.). 



33. KiRKALDY, J. W. On the Head-Kidney of Myxine. Q. J. M. S. vol. xxsv. (Jan. 1894), 



p. 353. 



34. Semon, R. Relation of Mesonephros to Pronephros and Suprarenal Bodies. Anat. Anz. v. 



(1890), pp. 455-482 (8 figs.). 



35. Weldon, W. F. R. On the Head-Kidney of Bdellostoma, &c. Q. J. M. S. xxiv. p. 171 



(April 1884). 



36. Weldon, W. F. R. Suprarenal Bodies of Vertebrata. Q. J. M. S. vol. xxv. p. 127. 



EXPLANATION OF THE PLATES. 



Eefere)ice-letters to figs. 1-40 (Plates IX.-XIIL). 

 a.a., axillary artery ; a.i.r., anterior broken-off portions of the interrenal body ; 



ao., aorta ; ax.h., anterior pair of suprarenal bodies ; f.t., bands of fibrous tissue ; 



h.a., anterior limit of hsemal arch; h.k., head-kidney; z.«., intercostal arteries; 



i.r., interrenal body ; k., kidney ; l.k., lobe of kidney-substance ; 11., nerves 



running through deep fissures in head-kidney ; oe., CESophagus cut across ; 



s.r., suprarenal bodies ; sy., main chain of the sympathetic ; sy.g., sympathetic 



ganglion ; sy.pl., sympathetic plexus ; ur., ureter. 

 Figs. 1-40 represent the outlines of the kidneys in the several species examined, 



with the suprarenals and interrenals shaded in. In the Teleosts (figs. 9-40) 



the suprarenals when on the ventral surface are drawn in plain lines, when 



on the spinal surface in dotted lines. 

 VOL. XIV. — PART III. No. 6. — Jpril, 1897. M 



