SCROBICULARIA. 447 



gadttana (as well as Mactra piperata) of Gnielin, Mactra 

 compressa of Pulteney, Mya orbiculata of Spengler, 

 Solen callosus of Olivi (according to Philippi), Scrobi- 

 cularia arenaria of Schumacher, Lavigno calcinella of 

 Recluz, and Trigonella Listeriana of Leach. The young 

 is the Amphidesma tenue of Macgillivray. 



Candid Header, contrast the superficial aphorism of 

 Pope, 



" The proper study of mankind is man," 



with the following lines by Wordsworth, which embody 

 a far greater depth of thought and acquaintance with 

 Nature, and are strictly in unison with those feelings 

 which arise from the prosecution of such studies as the 

 present : — 



"Happy is he who lives to understand, 

 Not human nature only, but explores 

 All natures, — to the end that he may find 

 The law that governs each; and where begins 

 The union, the partition where, that makes 

 ~* Kind and degree, among all visible beings ; 



The constitutions, powers, and faculties 

 Which they inherit — cannot step beyond— 

 And cannot fall beneath ; that do assign 

 To every class its station and its office, 

 Through all the mighty commonwealth of tilings ; 

 Up from the creeping plant to sovereign Man. 

 Such converse, if directed by a meek, 

 Sincere, and liumble spirit, teaches love : 

 For knowledge is delight ; and such delight 

 Breeds love : yet, suited as it rather is 

 To thought and to the climbing intellect, 

 It teaches less to love, than to adore ; 

 If that be not indeed the highest love ! " 



