| → at a very 1859 1860 1861 1866 | 
| not having appeared at an 1869 | 
| having appeared at a not very 1872 | 
  | 
| → in the life of each, though perhaps caused at the earliest, and being 1859 1860 1861 | 
| in the life of each, though perhaps caused at the earliest, and having been 1866 | 
| of life, and having been 1869 1872 | 
  | 
| → as 1859 1860 1861 1869 1872 | 
| of an animal as 1866 | 
  | 
| → common parent-form of each 1859 1860 1861 | 
| progenitor, either in its adult or larval state, of all the members of the same 1866 1869 1872 | 
  | 
| → 
Rudimentary
,
 1859 1860 1861 | 
| 
Rudimentary,
 1866 1869 | 
| 
Rudimentary
,
 1872 | 
  | 
| → 
atrophied
,
 1859 1860 1861 | 
| 
Atrophied,
 1866 1869 | 
| 
Atrophied
,
 1872 | 
  | 
| → 
Organs
— .
 1860 | 
| 
organs
.—
 1859 | 
| 
Organs
.—
 1861 | 
| 
Organs
.  1866 1872 | 
| 
Organs
.  1869 | 
  | 
| → throughout 1859 1860 1861 1866 | 
| or even general, throughout 1869 1872 | 
  | 
| ↑ 1 blocks not present in  1859 1860 1861 1866; present in  1869 1872 | 
|  It would be difficult 
to name one of the higher animals in which some part is 
not in a rudimentary condition. 
 | 
  | 
| → For instance, rudimentary mammæ are very general in the males of mammals: I presume that the "bastard-wing" 1859 1860 1861 | 
| For instance, rudimentary mammæ are very general with male mammals: I presume that the "bastard-wing" 1866 | 
| In the mammalia, for instance, the males always possess rudimentary mammæ; in snakes one lobe of the lungs is rudimentary; 1869 | 
  | 
| → may be safely 1859 1860 1861 1866 | 
| the "bastard-wing" may safely be 1869 | 
  | 
| → digit in 1859 1860 1861 1866 | 
| rudimentary digit, and in not a few species the wings cannot be used for flight or are reduced to 1869 | 
  | 
| → Some of the cases of rudimentary organs are extremely curious; for instance, 1859 1860 1861 1866 | 
| What can be more curious than 1869 | 
  | 
| → The meaning of rudimentary organs is often quite unmistakeable: for instance 1859 1860 1861 | 
| The meaning of rudimentary organs is often quite unmistakeable: for instance, 1866 | 
| OMIT 1869 1872 | 
  | 
| → of 1859 1860 1861 1866 | 
| belonging to closely allied species, or even to 1869 1872 | 
  | 
| → genus (and even of the same species) resembling each other most closely in all respects, one of which will have full-sized wings, and another mere 1859 1860 1861 1866 | 
| identical species, which have either full-sized and perfect wings, or mere minute 1869 | 
| identical species, which have either full-sized and perfect wings, or mere 1872 | 
  | 
| → and here 1859 1860 1861 1866 | 
| not rarely lying under wing-covers firmly soldered together; and in this case 1869 | 
| which not rarely lie under wing-covers firmly soldered together; and in these cases 1872 | 
  |