This page needs to be proofread.
238
��Popular Science Monthly
���Cirrus clouds
��Alto-cumulus clouds
�� � �jr-
� �.^K
�•i.^--
� �L
� �■ - -■ :;
mmmm
� �i^
� � � ��Cirrus clouds
����Mare's tail " Cirrus clouds
��A small form of Alto-cumulus
�� �
238
��Popular Science Monthly
���Cirrus clouds
��Alto-cumulus clouds
�� � �jr-
� �.^K
�•i.^--
� �L
� �■ - -■ :;
mmmm
� �i^
� � � ��Cirrus clouds
����Mare's tail " Cirrus clouds
��A small form of Alto-cumulus
�� �