DR. T. DAVIDSON ON EECENT BKACHIOPODA. 215 



passing down the side-funnels and escaping- by the central one. They bury themselves 

 very quickly in sand, and the peduncle agglutinates a sand-tube. They attach themselves 

 by means of this tube to the bottom of dishes in which they are conlined. Prof. Morse 

 exhibited living specimens of a Lingula (probably anatbia) which he had brought from 

 Japan in a small glass jar. The water had only been changed twice during the last six 

 months, and yet no specimen had died. This illustrated more fully the vitality o^ TAugula 

 than the experiments he had made on the North Carolina Z/>;Y/«/rt [Glottklia) pyramidata 

 several years since. 



Lingula anatina at Manilla and elsewhere are made use of as articles of food ; and 

 Prof. Morse tells me he has eaten them. Some examples attributed to Lingula anatina 

 described by Adams and C. E. Lischke from Japanese waters are green ; others, which 

 are partly yellowish brown and green near the frontal margin, cannot be speciilcally 

 separated from L. anatina. I compared several examples sent to me by Lischke, and 

 found them to be identical. 



115. Lingula affinis, Hancock. (Plate XXIX. figs. 9, 10.) 



Under this name A. Hancock describes and figures the animal of a Lingula (Phil. 

 Trans. Roy. Soc. vol. cxlviii. 1858), which I believe to be in reality the true Lingula 

 anatina, and I am also convinced that the species he describes and figures by the name 

 anatina is the Lingula Ilurphiana. His descriptions show that the animal in those two 

 forms is sufiiciently different to be referred to distinct species. Mr. Hancock, soon 

 after the publication of his admirable memoir, sent a specimen of his L. affinis for my 

 inspection. I found it to be of a bright green colour, and apparently agreeing both in 

 shape and appearance with L. anatina; while, on the contrary, the specimen he had referred 

 to L. anatina was much wider in proportion to its length, of a yellow coppery tint, and 

 exactly resembled specimens oi Lingula Mnrphiana in my collection. The point cannot, 

 however, be definitely settled until the animal of L. 3Ln'phiana has been again examined. 



116. Lingula Murphiana, King, MS. (Plate XXIX. fig. 11.) 



Lingula Murphiana, King, MS., Mus. Cumiug; L. Reeve, Mon. of Lingula, Conch. Icon. pi. i. fig. 3, 

 1859; Dall, Amor. Journ. Conch, vol. vi. p. 155, 1870. 



Shell large, squarish oblong, longer than Avide, sides almost parallel, slightly curved 

 inwards towards the middle of their length. Anterior edge gently rounded, with angular 

 projection in the middle; beaks attenuated, that of the ventral valve pointed and the 

 longest. Valves about equally convex, with a flatness commencing close to the beaks 

 and extending to the front and on each side sloping to the lateral edges. Colour 

 coppery red, with bands of different shades of green and brown. In the interior of the 

 valves the muscular area is white, the remainder of the surface light and dark green. 

 Shell-structure horny and calcareous. Length of shell 2 inches G lines, breadtb. 1 inch 

 1 line ; length of peduncle G^ inches. 



Hah. Moreton Bay, Australia (Strange). 



Obs. In his monograph on Lingula, Mr. L. Reeve observes, " Whether this should 



SECOND SEBIES. — ZOOLOGY, VOL. IV. 29 



