172 RECORI.S (iK JIIK AI'STI.'AI.IAN MrsEl'M. 



Ti;il>AiNA MITKA. L'dini r</.- . 



Triihirnii wiilirii^ L;imai-ck, Aiiiiii. s. \vv{., vi., 1819, p. lUH. /'/., Sdvreiby, 

 Tlius. Coiicli., v., 1884, p. 180, pi. cccclxxxv., Hlt. 1. /'/., Ijamy, Bull. 

 Mus. Hist. Nut., xii., 190tS, p. 215 (nut 7'. ninfic'i. i>F Clieiiu, Qiioy & 

 GHiniurd and o-lliei' autlmrs). 



Tritl'uuiii 'ji'j'i--'. Hrotiei'ii*, Tlif Penny Cyclopa'dia. xxv.. l.'-4-."!. p. 207, text 

 fi<^. /'/., Reeve, Condi. Icon., xiv., 1862, pi. i., tii;\ 1 (not 7'. ;//;/<<^', 

 Linne). 



'rri'l'C'XK lii.iKKri'L'i. lliilal^o, Mem. li. Acad. Cienc. Mailrid, xxi., 1903, 

 p. 385. 



" Ili'iiitiiT^,'" Audraii, Jinll. Soc. d'Ktude.s (Jceanniene.s, No. o, Maicli, 1918, 

 p. 128. 



Hitlieitu unrecorded for Aiifstralia. 



Uiil'. — Melbidir Uay, east coast ^loriiington Island, Giilt" ot 

 Carpentaria, C. Hedley, 1903. 



TlUiiACXA S(^rA.MOSA, L'(l)l tarl: . 



(Plate xxviii., H<r. 3). 



Triilarini ■•'ijiniiitosti, Lanniick, Anini. s. ver., vi. (1), l^P.', p. 106, Kncycl. 

 Metli., pi. ccxxxvi., tiy. 1 (uut pi. ccxxxv., tig. 4. 7'. '7, >;/,/, (//Vvv/»///, 

 Bianconi). /'/., Clienii, Illustr. Concli., Tridacna, 1845, p. 1, pi. iii. 

 hi, Cuvier, Regn. Anini., 3rd Ed., 1849, M..I1.. pi. xcvi., tig 1. hi, 

 lleeve, Conch. Icon., xiv., 1862, pis. iii., i\ . hi , lledley, Mem. Aiisti-. 

 Mus., iii., 1899, p. 504. /(/., Melvill tt Stamlen, .louiii. Linn. 8oc, 

 Zool., xxvii., 1899, p. 190. hi, liidal.tiu. Mem. R. Acad. Cienc. 

 Madrid, xxi., 1903, p 3S6. /,/.. I.vnge, K. D. Nidm.sk. Selsk. 8kr., 

 vii. (3), 1909, p. 262. /-/ , llirase," lllusti-. Tlion.sand Sliells. i., 191 !■, 

 Hg. 36. /'/., Odliner, KiingJ. 8v. Vet. Akad. Haiull., 52, 1917, p. 8. 



( 'liii iinirl riirli(ii'i( t^ij ii n nn'xit , Scliinellz, Cat. Mus. (lodenV., v., 1871, p. 172. 



In 7'. xiiitniiivsu, as shown in Cuvier's tigui'e, thec(inil) of the [a'dal 

 oi'itice has moi'e prominent teeth than in ollu-r sj)ecies; this species is also 

 nntre equilateral than usual. A specimen that 1 obtained on Murray 

 Island, is thirteen inches long. Another specimen in the ISInsenm 

 Collection I'l-om the Gilbei-t Islands is one foot, two and a halt inches long 

 '(37 centimetres), a si/e lai'gei' than anv yet lecurdcd. 



Ihili. — Brounie, Western .Au>tralia (Mjohrrg), Murray Island, Torreis 

 Straits (Iladdon and Hedley). 



