HELIX-PANDA. 75 



In Panda the embryonic whorls are not different from the adult 

 part of the shell in texture or sculpture. The surface has very fine, 

 close, spiral incised lines. On the inner whorl the color-markings 

 fade out leaving a light uniform flesh tint. 



Like the other groups which I have assembled under Macroon, 

 Panda has an aspect of individuality that precludes the inclusion of 

 its species in any other section. Its mode of reproduction is still 

 unknown. It is not, therefore, certain that the section belongs in 

 Macroon. 



H. FALCONER: Reeve. PI. 19, fig. 33. 



Shell very large, globose, umbilicated, thin but strong, opaque, 

 light yellow, very closely marked all over by narrow, irregular 

 rich chestnut-colored lines in the direction of growth-stria?, and 

 encircled by a number of girdles formed of dark chestnut spots, 

 one girdle below the suture, most of the others on the lower part 

 of the whorl. Surface very densely marked all over by close, fine 

 spiral incised lines. Spire short, obtuse ; suture impressed ; whorls 

 4J, the last very large, globose, deeply impressed around the umbili- 

 cus. Aperture scarcely oblique, flesh-colored inside ; lip thin, 

 simple, the columellar margin sinuous, broadly expanded above. 

 Umbilicus deep, narrow. 



Alt. 85, greater diam. 82 mill. Alt. of aperture 65, width 52 mill. 



Manning, Bellinger, Clarence, Richmond and Tweed Rivers, N. 

 S. W. ; Ipswich and Muggerabaa, Queensland, Australia. 



Helix Falconeri REEVE, in Conch. Syst. ii, t. 163, f. 4; Conch. 

 Icon., f. 355. PFEIFFER, Monographia i, p. 16 ; Conchyl. Cab., p. 

 385, t. 12, f. 11, 12. Eurycratera Falconeri BECK, Index, p. 45.- 

 Helicophanta Falconeri ALBERS, Die Hel. ed. 1, p. 110. Cux, 

 Mouogr. Austr. Land Sh., p. 5, t. 6, f. 6. Panda Falconeri ALB.- 

 MART. Heliceen 2d. ed. SEMPER, Reisen im Arch. Phil, ii, p. 104, 

 t. 12, f. 20 ; t. 16, f. 10 (Anatomy). H. (Panda) Falconeri Rve., 

 HEDLEY, Proc. Roy. Soc. Queensl., v, p. 63. 1888 ; loc. cit., p. 152. 



The largest Australian Helix. The ground-color of light yellow 

 is so closely marked by chestnut lines as to appear of a brown 

 color ; but specimens are not infrequently found of a clear straw 

 color, without dark markings. Mr. Hedley gives his experi- 

 ence in collecting this species as follows : Only two immature living 

 examples rewarded my exertions, though the scrubs were full of 

 dead and broken shells. They probably hide during the dry 



