CONTENTS. 
Phin’s “ Eiactical Hints on the Selection and Use of the Micro- 
Scope =9) i 5 4 : ; . : 
Hunt’s “ Ure’s Dictionary of hone Henares and Mines” 
Morgan’s ‘‘ Skull and Brain ; their Indications of Character and 
Anatomical Relations”  . ‘ ; . ‘ ; Z 
Higgins’s ‘‘ Digest of the Reported Cases relating to the Law 
and Praé¢tice of Letters Patent for Inventions ” 
Dana’s “Corals and Coral Islands” ; : : : : ; 
Prescott’s ‘‘ Chemical Examination of Alcoholic Liquors” 
Broadhead’s ‘‘ Report of the Geological ae of the State 
of Missouri” 
Sprague’s “ Electricity : its icone Satie and ‘Apdieae me 
Tue British ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE 
CoRRESPONDENCE.—Aérial Locomotion . F 5 g : : 
PROGRESS IN SCIENCE. 
PAGE 
529 
529 
531 
533 
534 
536 
538 
540 
543 
546 
Including Proceedings of Learned Societies at Home and Abvoad, and 
Notices of Recent Scientific Literature. 
MINING ... ‘ : c 4 : A A . , ; 
METALLURGY . : Ulla ke “ : A ‘ 3 2 
MICROSCOPY . 5 < 5 : : 0 
