Page headers have been converted to sidenotes.
The following apparent errors have been corrected:
- p. 21 "tranverse" changed to "transverse"
- p. 50 "‘the" changed to "“the"
- p. 51 "point," changed to "point."
- p. 51 "foot." changed to "foot,"
- p. 61 "Inprovements" changed to "Improvements"
- p. 67 (note) "right hand" changed to "left hand"
- p. 74 "equaminity" changed to "equanimity"
- p. 92 "countremen" changed to "countrymen"
- (plate) "Plate 12" changed to "Plate 12."
- (plate) "LESSER WEEVER" changed to "LESSER WEEVER."
- p. 138 "assailent" changed to "assailant"
- p. 145 (note) "Introd. to Conchology" changed to "Introd. to Conchology"
- (plate) "ANGLED-CRAB" changed to "ANGLED-CRAB."
- p. 230 "Plymouth" changed to "Plymouth."
- (plate) "PURPLE-HERMIT CRAB." changed to "PURPLE HERMIT-CRAB."
- p. 300 (note) "right hand" changed to "left hand"
- p. 300 (note) "XXXIV" changed to "XXXIV."
- p. 310 (note) "XXXV" changed to "XXXV."
The following are used inconsistently in the text:
- Beroë, Beröe and Beroe
- Brittlestar and Brittle-star
- Corkwing and Cork-wing
- débris and debris
- footstalk and foot-stalk
- honeycombed and honey-combed
- Keyhole and Key-hole
- Longworm and Long-worm
- zigzag and zig-zag