1886.] Fossil Remains of Meiolania, Ow. 315 



and finally the following values of the latitudes and longitudes of 

 evanescent tides : — 



Nature of tide. 





1st hypothesis. 



2nd hypothesis. 





lat. X 



34° 33' N. 



34° 7 ' N. 





lat. Xj 

 long. l x 



0° 57' S. 

 53 47 E. 



0° 57' S. 

 53 46 E. 





lat. X 2 

 long. l 2 



81° 23' N". 

 2 56 W. 



81° 21' K 

 2 56 W. 



The estimation of corrections due to these supplementary portions 

 has been checked in two cases by a detailed extension of the method 

 of square blocks of land used previously for evaluation of the whole 

 integrals ; that is to say, two of these portions were separately 

 divided into square degrees (instead of squares whose sides were 

 each ten degrees), and the integral evaluated in a similar manner to 

 that previously described. The agreement of the values so calcu- 

 lated with those obtained by the above method of estimation was 

 sufficiently exact to justify a certain confidence in the close agreement 

 of the finally corrected values of the integrals with their theoretically 

 perfect values. 



H. H. T. 



II. " Description of Fossil Remains of two Species of a Mega- 

 lanian Genus (Meiolania, Ow.), from Lord Howe's Island." 

 By Sir Richard Owen, K.C.B., F.R.S. Received March 15, 

 1886. 



(Abstract.) 



In a scientific survey by the Department of Mines, New 'South 

 Wales, of Lord Howe's Island, fossil remains were obtained which 

 were transmitted to the British Museum of Natural History, and were 

 confided to the author for determination and description. 



These fossils, referable to the extinct family of horned Saurians 

 described in former volumes of the " Philosophical Transactions "* 

 under the generic name Megalania, form the subject of the present 

 paper. They represent species smaller in size than Megalania prisca, 

 Ow., and with other differential characters on which an allied 

 genus Meiolania is founded. Characters of an almost entire skull 

 with part of the lower jaw-bone, of some vertebrae and parts of the 

 scapula and pelvic arches, are assigned to the species Meiolania 



* Vol. 149, 1858, p. 43 ; ib., 1880, p. 1037 j ib., 1881, p. 1037. 



